Unit 5 Save the endangered animals 语法Grammar 含有形容词的句型学案(含解析)2023 您所在的位置:网站首页 endangered的副词 Unit 5 Save the endangered animals 语法Grammar 含有形容词的句型学案(含解析)2023

Unit 5 Save the endangered animals 语法Grammar 含有形容词的句型学案(含解析)2023

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Unit 5 Save the endangered animals含有形容词的句型(时间:40分钟,满分:100分)1. It’s/was + adj. + to do sth.It is/was + adj. + to do sth.意为“做某事是……的”,to do sth.为句子的真正的主语,而it为形式主语,形式主语不能用别的词来代替,句中可在形容词后加for sb.,意为“对于某人来说,做某事是……的”。例如:It’s important for us to learn a foreign language.对我们来说,学习一门外语是相当重要的。It’s necessary for us to eat more fruit and vegetables.对我们来说,多吃蔬菜和水果是必要的。【拓展】这个句型中的for sb.有时也可以用of sb. 二者意义有区别:(1)在It’s + adj. + for sb. to do sth. 中,for sb.意为“对某人来说”,句中的形容词是用来说明to do sth.的,形式主语只能用it。例如:It’s necessary for the students to do some housework.对于学生们来说,做些家务是十分必要的。(2)在It’s + adj. + of sb. to do sth. 中of sb. 意为“某人……”,句中形容词可与逻辑主语sb. 构成系表结构,即形容词是用来说明或形容sb.(某人)的。例如:It’s very kind of you to help us. 你能帮助我们真是太好了。2. The baby panda is not old enough to eat bamboo.(1)enough…to do sth. “有足够的……做某事”。例如:I don’t have enough time to eat lunch. 我没有足够的时间吃午饭。(2)…enough to do…可以同too…to…或so…that…结构互相转换。例如:He isn’t old enough to go to school. = He is too young to go to school.= He is so young that he can’t go to school. 他太小而不能上学。【拓展】(1)enough是形容词,意为“充足的,充分的,足够的”,可作表语或定语,作定语时,可放在名词的前面或后面。例如:The food is enough for the trip. 用于这次旅行的食物足够了。I have enough time to watch TV. 我有足够的时间看电视。(2)enough还可作副词,意为“足够的”,这时enough需放在所修饰的形容词或副词后面。例如:The young man is strong enough to carry the heavy bag.那个年轻人足够强壮能搬动重包。3. The baby panda is too young to eat bamboo.句型 too+形容词/副词原形+to do something的意思是“太……而不能……”,这个句型可以和not+形容词/副词原形+enough to do或 so+形容词/副词原形+that从句相互转换。You are too young to go to school.= You are not old enough to go to school.= You are so young that you can't go to school.你太小了,还不能上学。一、单项选择(本大题共40小题,每小题2.5分,共100分)1.Her son is ________ young ________ dress himself.A.so;that B.too;to C.such;that D.enough;to2.If you work ________, you will make a progress.A.enough hard B.hard enough C.enough hardly D.hardly enough3.It’s very kind ________ you ________ others when they’re in need.A.for; to help B.of; to help C.for; helping D.of; helping4.It’s necessary for us ________ to our parents when we have problems.A.to talk B.talking C.talk D.talked5.—Was it necessary ________ John ________ some photos before helping the old man —I think so. In this way, he could protect himself later.A.of; taking B.for; taking C.of; to take D.for; to take6.He found ________ difficult ________ English well.A.it, learn B.it, to learn C.that, learn D.that, to learn7.It’s very kind ___________ you to lend me your reusable shopping bags.A.of B.for C.to D.with8.I think ________ useful for students ________ English books often.A.it; read B.it’s; to read C.that it; to read D.it’s; read9.________ is important ________ us to do morning exercises every day.A.That; for B.It; for C.This; for D.It; of10.It’s ________ for me ________ a report in such a short time. I’m not good at it.A.possible; to write B.possible; write C.impossible; writing D.impossible; to write11.It’s wrong ________ you ________ your parents’ advice.A.for;don’t accept B.of;not to accept C.for;not accept D.of;not accepting12.Nancy is from Canada, so it is easy for her ______ English.A.speak B.speaks C.to speak D.speaking13.It’s very polite ________ you ________ say hello.A.for; of B.of; for C.to; for D.of; to14.It is important for students _______ sports every morning.A.plays B.playing C.to play D.played15.It’s polite ________ you ________ your teachers and classmates when you meet them.A.of; greeting B.for; greeting C.of; to greet D.for; to greet16.______ is easy for her to learn new songs.A.This B.It C.That D.What17.It’s very important ________ how to ask others for help ________.A.to know, politely B.know, politely C.know, polite D.to know, polite18.It is impolite ________ you to talk about other people’s secrets. I think it necessary ________ you to be more careful next time.A.of; of B.of; for C.for; for D.for; of19.They finished the work __________ because they had __________.A.good enough;enough time B.well enough;enough time C.good enough;time enough20.It was not ________ for us to solve (解决) the math problem. Few of us can even understand it.A.easy enough B.enough easy C.difficult enough D.enough difficult21.Many people are dying because they didn’t get to hospital ________.A.quick enough B.enough quickC.quickly enough D.enough quickly22.After you take the medicine, you will be ________ to go to work.A.enough well B.enough actively C.actively enough D.well enough23.—You don’t need to worry about me.—You are right. You are ________ to look after ________.A.old enough; yourself B.enough big; youC.enough old; you D.big enough; yourself24.Tom thinks he is ________, but his mother still doesn’t let him travel by himself.A.enough old B.old enough C.tall enough D.enough tall25.The tent is ________ for a family of three ________.A.big enough; to live in B.enough big; to live in itC.big enough; to live D.enough big; live in26.This watch is _______, but I don’t have _______.A.enough beautiful; money enough B.beautifully enough; money enoughC.beautiful enough; enough money D.enough beautiful; enough money27.It’s important ________ us ________ every day.A.for; to exercise B.to; exercise C.to; exercising D.for; to exercising28.It is necessary ________ us to help our friends out when they meet difficulties.A.to B.of C.with D.for29.It’s very kind ________ you ________ me with my English.A.for; to help B.to; helping C.of; to help D.with; helping30.It is impolite ________ you ________ at your mother like this.A.of; shouting B.of; to shoutC.for; shouting D.for; to shout31.It is time __________ us a story.A.tells B.tell C.telling D.to tell32.It's a good way ________ English by ________ to English songs.A.to learn; to listen B.learning; listeningC.to learn; listening D.learning; to listen33.It is cheaper ________ a car than to have a personal car.A.share B.sharing C.shared D.to share34.—Do you think ________ dangerous for us to play with firework —Exactly. It’s important ________ children to keep safe all the time.A.it; for B.it; of C.that ; for D.that; of35.It is easy ________ bikes because they need ________.A.to parking; fewer space B.to park; less spaceC.parking; more space D.parking; fewer space36.For us,______ very important______ English well.A.it's;to learn B.that's;to learn C.it's;learning D.that's;learning37.It is rude ________ you to speak to the old man in this way, so it is important ________ us to master social skills.A.to; for B.of; for C.for; for D.of; of38.It’s time _________. Please be quiet.A.to class B.to the class C.for class D.for the class39.It is hard ________ you to get used to ________ up early on such a cold day.A.of; get B.for; getting C.for; get D.of; getting40.It is important ________ us to keep ________.A.of; health B.of; healthy C.for; healthy参考答案:1.B【详解】句意:她的儿子太小了而不能自己穿衣服。考查固定搭配。so...that...“如此……以致于”,so+形容词+that从句;too...to...“太而不能”,too+形容词+to do sth.;such...that...“如此……以致于”,such+a/an+adj.+名词+that从句;enough...to...“足够……做某事”,adj.+enough+to do sth。根据句意,她的儿子太小了而不能自己穿衣服。young“年轻的”,第一个空可用too;dress himself“给他自己穿衣服”,是动词词组,第二个空用to。故选B。2.B【详解】句意:如果你足够努力,你就会取得进步。考查词义辨析及enough后置。hard努力地;hardly几乎不。此处指努力工作,故用hard修饰动词work。enough修饰形容词或副词,应后置。故选B。3.B【详解】句意:你真是太好了,在别人需要的时候帮助了他们。考查固定句型。分析句子结构,本句是固定句型“It is +形容词+ of/for sb. +不定式+其他”结构,it是形式主语,后面的不定式是真正主语,可据此排除后两项;形容人的特征时用介词of,而for用于指出描述对象。本句kind表示“善良的”,是“you”的特点,故选B。4.A【详解】句意:对我们来说,当我们遇到难题的时候,和我们的父母谈谈是很有必要的。考查It的固定句型。It’s+adj.+for sb.+to do sth.意为“对某人来说,做某事是怎样的”,句中it是形式主语,真正的主语是其后的动词不定式,本题空处应填不定式,故选A。5.D【详解】句意:——对约翰而言,帮助老人之前,拍照是必要的吗?——我认为有必要。用这种方式,他帮过老人后能保护自己。考查固定句式。本句为“It’s+adj.+for/of sb. to do sth.”是固定句式,当形容词说明不定式逻辑主语的性质、特征时,用of;说明不定式的性质时,用for。由necessary可知是说不定式的性质。故选D。6.B【详解】句意:他发现学好英语很难。考查非谓语动词和it用法。本句是“find + it +形容词+ to do sth.”固定结构,it是形式宾语,不定式是真正宾语。结合选项,故选B。7.A【详解】句意:你把可再用的购物袋借给我,真是太好了。考查介词辨析。It’s very kind of you to dosth.是固定结构,意为:你能做某事真是太好了。故选A。8.B【详解】句意:我认为学生经常读英语书很有用。考查非谓语动词。本句是“It’s +adj.+for sb+to do sth”意为“做某事对某人来说是……”句式,所以,空格1填it’s,空格2填不定式。故选B。9.B【详解】句意:对我们而言,每天晨练是很重要的。考查it作形式主语的固定句型。It is+adj.+for/of sb.+to do sth.“对某人来说,做某事是怎样的”;其中it作形式主语,真正的主语是to do sth.。在此结构中,形容词若是修饰人的性格品质的,用介词of;若是描述事物性质的,用介词for。根据题干形容词“important”可知,此处要用介词for。故选B。10.D【详解】句意:我不可能在这么短的时间内写完一份报告。我不擅长这个。考查形容词辨析及非谓语动词。possible可能的;impossible不可能的。It’s adj. for sb. to do sth.“对某人来做某事是……的”。根据“I’m not good at it.”可知不擅长,不可能在短时间完成。故选D。11.B【详解】句意:你不接受你父母的建议是不对的。考查动词不定式和介词。for对……来说;of……的,用于句型It’s+形容词+of sb. to do sth.中表示“某人做某事是怎么样的”;don’t accept不接受,谓语动词;not to accept不去接受,动词不定式的否定式;not accept不接受,位于情态动词后;not accepting不接受,动名词的否定式。It’s wrong of sb not to do sth.”意为“某人不做某事是错误的”。因此第一空应填介词of,第二空格应填not to accept。故选B。12.C【详解】句意:南希来自加拿大,所以对她来说讲英语很容易。考查非谓语动词。分析句子可知,本句是固定句型“It is +形容词+ for sb. to do sth.”结构,意为“做某事对某人来说是……的”,it是形式主语,后面的不定式是真正主语。结合选项,故选C。13.D【详解】句意:你打招呼真有礼貌。考查介词辨析和形式主语。本题中所使用的句型是it is +adj. + for/of sb. + to do sth.“对某人来说做某事是怎样的”,在这个句型中介词用for或of 是根据句型中使用的形容词来选择:如果是一些形容人的品质、性格的形容词如polite、kind、impolite、rude、honest 等词时,用介词of。故选D。14.C【详解】句意:对学生来说,每天早晨进行体育运动是很重要的。考查非谓语动词。分析句子可知,本句是固定句型“It is + adj. + for sb. + to do sth.对某人来说做某事是……的”结构,it是形式主语,不定式是真正主语;结合选项,故选C。15.C【详解】句意:当你遇到老师和同学时,向他们打招呼是有礼貌的。考查it固定句型。本句是固定句型“It’s +形容词+ of/for sb. +动词不定式+其他”结构,it是形式主语,后面的不定式是真正主语;of 用于指某人的性格、属性、特征等,介词for表示对象,意为“对……来说”。本句“polite”用于描述“you”的性格特点,介词需用of,故选C。16.B【详解】句意:对她来说学新歌很容易。考查代词辨析。this这个;it它;that那个;what什么。分析句子可知,本句是固定句型“It’s +形容词+ for sb. +不定式+其他”结构,表示“对某人来说做某事是……的”,it是形式主语,后面的不定式是真正主语。故选B。17.A【详解】句意:知道如何有礼貌地向其他人求助很重要。考查非谓语动词和副词。know知道;politely礼貌地;polite礼貌的。It’s+adj.+(for sb.)+to do sth.做……对某人来说是……,所以应用动词不定式to do作主语,故排除B和C;此外,副词修饰动词,所以应用politely修饰动词ask。故选A。18.B【详解】句意:你谈论别人的秘密是不礼貌的。我认为你下次有必要更加小心。考查介词的用法。of……的;for为了。当形容词是说明不定式的逻辑主语的特性时,要用of,根据“It is impolite…you to talk about other people’s secrets. ”可知,It’s adj. of sb to do sth.表示“性格,品质”,第一个空使用介词of;当形容词是说明不定式的特性时,要用介词for,根据“I think it necessary …you to be more careful next time.”可知,think it adj. for sb. to do sth.表示“认为做某事对于某人来说是……”,第二个空使用for。故选B。19.B【详解】句意:他们很好地完成了工作,因为他们有足够的时间。考查词义辨析和enough的用法。good是形容词,意为“好的”,well通常用作副词,意为“好地”,time是名词,意为“时间”;enough用作副词时要放在被修饰的词后。well修饰动词finished,所以第一空填well enough;enough用作形容词时,修饰名词,放在名词之前。故选B。20.A【详解】句意:对我们来说解答这道数学题已经够困难了。甚至我们中几乎没有人能理解它。考查enough的用法。enough足够;easy容易的;difficult困难的。根据后句“Few of us can even understand it.”可知这道题不容易,且此题空格前有“not ”否定词,应用easy,排除C、D选项。enough修饰形容词或副词时,enough需后置,即放在形容词或副词的后面,故选A。21.C【详解】句意:许多人因为没有及时赶到医院而死亡。考查词义辨析以及enough的位置。quick快速的,形容词;quickly快速地,副词。此空修饰动词“get to”,应用副词,排除A和B选项。enough修饰副词时,应放在副词的后面,故选C。22.D【详解】句意:你吃完药就可以去上班了。考查词义辨析以及enough的用法。well身体好的;actively活跃地。be后接形容词作表语,排除B和C选项。enough修饰形容词时,是放在形容词的后面,故选D。23.A【详解】句意:——你不用担心我。——你是对的。你已经长大了,可以照顾自己了。考查enough的用法及反身代词。enough修饰形容词时,置于形容词之后,排除BC;此处表示年龄足够大,用old而不用big,排除A;结合“You are ...”可知是能照顾你自己,第二空用yourself。故选A。24.B【详解】句意:汤姆认为他已经够大了,但他母亲仍然不让他独自旅行。考查enough修饰形容词。tall高的;old老的。当enough 修饰形容词或副词时,enough放在形容词或副词后面,排除A/D选项;结合“but his mother still doesn’t let him travel by himself.”可知,此处指的是“足够大”,故选B。25.A【详解】句意:这个帐篷足够大能让一个三口之家居住。考查形容词和动词不定式的用法。根据“The tent is…for a family of three …”可知,此处是固定用法:形容词/副词+enough for sb. to do sth.,动词不定式与主语the tent之间构成逻辑上的动宾关系,live为不及物动词,其后应该加上相应的介词,“住在帐篷里”要用live in。故选A。26.C【分析】【详解】句意:这只表很漂亮,但我没有足够的钱买。enough adj. 足够的,修饰可数名词或不可数名词,可以放在名词前面,也可以放在名词后面;adv. 足够地,修饰形容词、副词、动词,并放在其后。根据以上的分析可知,故选C。27.A【详解】句意:每天锻炼对我们来说很重要。考查it固定句式。分析句子可知,此处是结构“It is+形容词+for sb. to do sth.”,意为“对某人来说,做某事是……”,It是形式主语,不定式to exercise是真正主语。故选A。28.D【详解】试题分析:句意:当朋友遇到困难时,我们帮助他们解决困难是必须的。这是一个不定式作主语的句子,其基本结构是:It’s adj. for sb. to do sth;常用for引出不定式的逻辑主语。故选D。考点:考查介词。29.C【详解】句意:你帮我学英语真是太好了。考查介词辨析和it的特殊句型。for为了,介词;to help动词不定式;to到,介词;helping动名词/现在分词;of关于,介词;with和,介词。根据“It’s very kind...you...me with my English.”可知,句子为it的特殊句型“It’s+adj+for/of+sb+to do sth”表示“做某事对某人来说是……的/某人做某事真是太……”,排除B和D,又因此处表述的是你帮我学英语真是太好了,形容词kind是对you的描述,介词用of。故选C。30.B【详解】句意:你这样对你母亲大喊大叫是不礼貌的。考查固定句式。句型“it’s+形容词+of/for sb to do sth”中,it是形式主语,真正的主语是动词不定式。而介词“of”与“for”在此句中的区别为:“of”用于某人的性格、属性或特征。“for”用于表示事物的特征。impolite是修饰人的品质,应用of。故选B。31.D【详解】句意:到了给我们讲故事的时间了。考查it固定句型。tells告诉,第三人称单数;tell告诉,动词原形;telling告诉,动名词或现在分词;to tell告诉,动词不定式。it is time (for sb) to do sth是固定句型,表示“(对某人来说)是做某事的时候了”。tell a story表示“讲故事”。故选D。32.C【详解】句意:听英语歌曲是学习英语的好方法。考查动词形式辨析题。It's a good way to...做某事的好方法,是固定句式,to是不定式符号后接原形动词;by通过,介词后接名词或动名词。learn学习,及物动词直接接宾语;listen听,不及物动词,和to连用可接宾语。根据句意结构和语境,可知选C。33.D【详解】句意:与人合用一辆车比拥有一辆私家车更便宜。考查动词不定式。此处是“It is+adj+to do sth”句型,用动词不定式作主语,故选D。34.A【详解】句意:——你认为对于我们来说玩烟花危险吗?——当然。对孩子们来说,一直保证安全是很重要的。考查it作形式宾语及介词辨析。第一空用it作形式宾语,真正宾语是“to play with firework”,故排除CD;It is +形容词+for sb. to do sth句型中形容词用来表示事物的特征;It is +形容词+of sb. to do sth句型中形容词用来表示人的品质。根据“important”可知此处表示事物的重要性,用介词for。故选A。35.B【详解】句意:停放自行车很容易,因为它们需要的空间更少。考查非谓语动词及形容词比较级。固定句式:it is+形容词+to do sth“做某事是……”,动词不定式作主语,排除C和D选项。fewer修饰可数名词;less修饰不可数名词。space是不可数名词,故选B。36.A【详解】句意:对我们来说,学好英语非常重要。考查it固定句式及非谓语动词。固定句式:it's+形容词+to do sth“做某事是……”,动词不定式作真正的主语,it作形式主语,故选A。37.B【详解】句意:你用这种方式和老人说话很不礼貌,所以掌握社交技能对我们来说很重要。考查It固定句型。考查It is +adj+of/for sb to do sth固定句型,for sb常用于表示事物的特征特点,of sb一般表示人物的性格、品德。第一空根据“rude”可知,形容词人的性格,故填of;第二空根据 “important”可知,表示事物的特征特点,故填for。故选B。38.C【详解】句意:到上课时间了。请安静。考查it固定句型。it’s time for sth.或it’s time to do sth.意为“到做某事的时候了”,是固定搭配。class是名词,所以用it’s time for sth,故选C。39.B【详解】句意:在这么冷的天气里,你很难习惯早起。考查介词和固定搭配。根据“hard”一词可知,不能形容人的性格,因此介词for符合句意;再者根据固定搭配“习惯做某事:get used to doing sth.”可知,第二空getting符合句意。故选B。40.C【详解】句意:对我们来说保持健康是很重要的。考查it固定句型和keep+形容词用法。of……的;for对;health健康,名词;healthy健康的,形容词;分析句子可知,句子使用it固定句型:It is +形容词+for sb.+ to do sth.表示“对某人来说做某事怎么样”;keep作系动词,其后直接跟形容词作表语,构成系表结构,表示“保持某一状态”,keep healthy“保持健康”,固定短语。故选C。

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