内容正文:
1. 动词不定式和动词-ing形式作主语时, 谓语动词用单数形式。
To master English ________(give) us much help in the study of science.
Learning without practice ______(be) no good.
2.it作形式主语, 动词不定式或动名词放在句末, 作真正的主语。常见的句型如下:
1.It + be + adj. + to do
It’s important for us___________(learn) English.
2.It + be + n. + to do
It’s a shame __________(behave) like that.
3.It + v. + (宾语) + to do
It takes an exceptional teacher_______(cope) with a student like that.
4.It + be + prep. phr. + to do
It is not within my power _________(answer) the question.
5.It+be+a waste of time + doing
It is/was no good/use + doing
It is/was worth/worthwhile + doing
6.There is/was no sense in + doing
There is/was no use + doing
There is/was no point + doing
It is no good ________(read) in dim light.
There is no use ________(sit) here waiting.
3.区别:
不定式:表示一次性 或 将来的动作,强调动作本身,一般表示
带有目的性的未完成动作。
动名词:表示一般的抽象的泛指概念,强调事件本身,表示人的
习惯,爱好,经验,职业等。
___________(visit) Australia is my next goal.
___________(smoke) is forbidden here.
___________(collect) stamps is his hobby.
It is harmful for you _________(smoke) so much.
1. 在有些动词之后, 只能接动词不定式作宾语;
在有些动词之后, 只能接动名词作宾语;
2. 既可以用-ing形式作宾语, 也可以用不定式作宾语
含义差别不大
continue;like;hate;prefer;begin;start...
【特殊】begin/start必须+to do的情况:
(1)主语为无生命之物
(2)begin/start用于进行时态
(3)begin/start后的动词表心理状态(want believe wonder等)
含义有差异
regret to do sth _________做某事 regret doing sth _________某事
forget to do sth 忘记_______某事 forget doing sth 忘记_______某事
remember to do sth 记得_______某事remember doing sth 记得_______某事
mean to do sth______做某事 mean doing sth______做某事
try to do sth __________去做某事 try doing sth ______做某事
can’t help (to) do sth 不能____做某事
can’t help doing sth ________地做某事
2. 有时会用it做形式宾语, 将动词不定式置于句末做真正的宾语。
feel / think / find / believe / consider等 + it + adj./n. + to do sth.
He feels it his duty _________(help) the poor.
他觉得帮助穷人是他的责任。
3. 介词but, except, besides+to do(do)
在这种句型中, 若介词前有do, 则后面的动词不定式用不带to的形式;
若介词前没有do, 则后面的动词不定式用to do结构。
have nothing to do but_______
have no choice but __________
do nothing but_______________
Practice
1. I decided _______(ask) for my money back.我决定要回我的钱。
2. My English teacher promised _______(lend) some books to me.我英语老师答应借给我一些书。
3.The enemy soldiers had no choice but _______(give)in.敌方士兵除投降别无选择。
4.He feels it his duty __________(help) the poor.他觉得帮助穷人是他的责任。
5.On Sunday afternoon I had nothing to do but _________(watch) TV.星期天下午我除了看电视没事做。
6.I suggest __________(spend) our summer vacation in a seaside town.我建议去一座海边城镇过暑假。
7.You must give up ________(smoke), for it does too much harm to your health.
你必须戒烟, 因为抽烟对你的健康非常不好.
Practice
1.His hobby is_______(paint)
Today what he wants to do is _______(paint)
3.His wish is _______(become) an artist.
4.Our first task is ____(set) up a communication system.
5.What I’m tired of is_____(wait) for someone alone.
What I’m eager to do is______(go) back home.
6.A: My job is _______(teach) children music.
B:Yes! But your job today is _______(teach) adults music.
7.To be kind to the enemy is ________(be) cruel to the people.
8.Our work is _________(serve) the people.
——语法专项训练——
1用括号内所给动词的正确形式完成下列句子(黑体部分为本单元词汇)
A(基础练——知识巩固)
1.The architect is considering how __________ (design) and pond a man-made pond together with a waterfront
2.His idea is__________grow)lotus flowers and green algae in the pond.
3.Based on biomimicry,we plan__________(dig)an artificial lake.
4.It is no use__________(pile)the earth into a mound to prevent termites from damaging the dam.
5.The little girl enjoys__________(mimic)others in singing.
6.We need__________(use)the advanced technology to build a superb plumbing system in the city.
7.We take it for granted that we are supposed__________(convert)carbon dioxide into a useful substance
8.I keep__________(wonder)why some people can reap without sowing.
9.Human beings try_______(employ)their wisdom to seek solutions to environmental problems.
10.__________(take)inspiration from bats,scientists studied echolocation and created radar.
11.Spiders and dragonflies are said__________have)something like radar,which can respond to an object.
12.__________(develop)drones for daily life is the trend of the future.
13.It's good manners__________(say)hello and bow to the elderly people.
14.Though he was reluctant__________(depart)from his family,he went to work in a botanical garden
15.The millionaire intended__________(resign)from his decent position and resigned himself to farming in the rural area
16.He determined__________(withdraw)from the rich club and rejected the ease and comfort of city life.
17.__________(lead)a simple life deliberately,he chose to live in a cottage and raised some domestic pets in the court yard.
18.It is essential__________(feel)at ease with the interviewer during the job interview.
B(提高练——对接高考)
1.[2021·全国甲卷]It is possible__________(walk)or bike the entire 14 kilometres.
2.[2020·全国Ⅱ卷]They represent the earth__________(come)back to life and best wishes for new beginnings
3.[2020·新高考全国I卷]As well as looking at exhibits,visitors can play with computer simulations(模拟)and imagine themselves living at a different time in history or __________(walk)through a rainforest
4.[全国Ⅲ卷]On our way to the house,it was raining so hard that we couldn't help wondering how long it would take__________(get)there.
5.[浙江卷]But some students didn't want__________(wear)the uniform.
6.[天津卷]__________(learn)to think critically is an important skill today's children will need for the future.
7.[全国Ⅲ卷]I quickly lower myself,ducking my head to avoid(look)directly into his eyes so he doesn't feel__________(challenge).
8.[浙江卷]I still remember__________(visit)a friend who'd lived here for five years and I was shocked when I learned she hadn't cooked once in all that time.
9.[北京卷]__________(travel)along the old Silk Road is an interesting and rewarding experience
10.[天津卷]I didn't mean__________(eat)anything but the ice cream looked so good that I couldn't help__________(try)it.
[2023·山东菏泽高三期中]The planet is facing a crisis. Overuse of resources,like fossil fuels,1__________(combine)with high levels of consumption of goods and the resources needed to make them,is taking our environment to a 2__________(break)point.
We live in a disposable culture where we want to keep up 3__________ the latest trends,but at what cost? Forests 4__________ (cut)down and minerals mined for objects that will be used for a short amount of time and then thrown away.
Our consumption habits have a direct impact on the planet that we live on,and the lives in different parts of the world. Unsustainable 5__________ (consume)and production of material goods and food products leads to climate change, which in turn 6 __________ (affect)countries in poverty.
Those methods are 7__________ (serious)damaging the environment.If we continue 8 __________ (produce)and consume at current rates,using the same methods we will also be affected and it will lead to destructive consequences,for parts of the world already feeling the effects of climate change.
Although we may be from different countries,speak different
languages 9__________ have different cultures,the planet does not recognise the differences we see in each other.Something 10 __________ happens in one part of the world can have great effect on another part of the world many miles away from the event.
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