人教版高一英语必修4 Unit2 Working the land grammar课件（共17张PPT）

动词-ing 形式作主语
1. _____ provides us with essential
nutrients (营养), while ______
provides us with oxygen.
A. To eat; breathing
B. Eating; to breathe
C. Eating; breathing
D. Eaten; breathed
2. Have you forgotten ___ $1000 from me last month? Will you please remember ____ it tomorrow? A. borrowing; to bring B. to borrow; bring
C. borrowed; bringing D. borrowing; bringing
3. My brother keeps ___ me with my work. A. to help B. help C. helping D. helped
4. We should often practise ___ English with each other.
A. to speak B. spoke C. speak D. speaking
5. The story was so funny that we ___.
A. couldn’t help laugh
B. can’t but laugh
C. couldn’t help laughing
D. couldn’t help but to laugh
6. Though it sounds a bit too dear (昂
贵), it is worth ______.
A. being bought B. buying
C. to buy D. buying it
7. Once the heart stops _____, death
follows at once.
A. beating B. to beat
C. being beaten D. to be beating
8. People must be separated to avoid (避免) ____ by patients. A. being infected(感染) B. infecting C. to infect D. infected
9. Your clothes need ______. A. washed B. to be washed C. to wash D. being washed
Unit 2 Grammar
V-ing 作主语和宾语
思考以下句子的主语：
Mr. Wu is a very kind teacher.
My school is not far from my house.
we like our school very much.
Learning new words is very important for me．
注：动词原形不可做主语，但动词的ing可做主语。
往往表示经常性、习惯性的动作。
主语：主语是句子陈述的对象 ，是执行句子动作的主体
_________不可做主语，但________可做主语。往往表示________、________的动作。
1.眼见为实 ________ is believing.
2.捉弄别人是我们万万不能干的。
________ ________ _______ _______ is something we should never do．
3.弹钢琴是我的爱好。(翻译)
Playing
Seeing
Playing tricks on others
Play the piano is my hobby.
动词原形
动词ing
经常性
习惯性
做这个实验是值得的。(翻译)
Doing the experiment is worthwhile.
It is worthwhile doing the experiment.
It 做形式主语，而把v-ing 移至后面。
It is no use waiting here.
It is no good learning without practice,
It is a waste of time doing such a thing.
It is worthwhile spending time on books .
常用于以下句型中：
It +be+ no good/use doing
做……是没益/用处的
It +be +a waste of time doing
做……是浪费时间的
It +be +worth/worthwhile doing
做……是值得的
Mr. Wu enjoys listening to music.
Yang Gang admits making a mistake.
以下动词只能接V-ing作宾语：
避免错过少延期。 avoid/miss/ put off
建议完成多练习。suggest/finish/practise
喜欢想象禁不住。enjoy /imagine/can’t help
承认否定与嫉妒。admit/deny/envy
逃避冒险莫原谅。escape/risk/excuse
忍受保持不介意。stand/keep/mind
V-ing 做宾语
我情不自禁突然大哭.
I can’t help bursting into tears．
Mary考虑过去国外。
Mary considers go abroad.
1. My brother keeps ___ me with my work. A. to help B. help C. helping D. helped
2. We should often practise ___ English with each other.
A. to speak B. spoke C. speak D. speaking
going
2) 既可接doing又可接to do作宾语的动词，但意义不同。
常见的有：regret，forget，remember,
try, mean, stop, go on等。
forget doing
forget to do
regret doing
regret to do
remember doing
remember to do
后悔做了某事
遗憾去做某事
忘记做过某事
忘记去做某事
记得做过某事
记得去做某事
go on doing
go on to do
try doing
try to do
mean doing
mean to do
stop doing
stop to do
试着去做某事
努力去做某事
意味着做某事
打算要做某事
停止做某事
停止去做另一件事
继续做原来做的事
接着做另一件事
练一练：
我忘记见过这个有名的作家。
我忘记去见这个有名的作家。
我后悔告诉你这个事实。
我很遗憾告诉你这个事实。
I forget seeing the famous writer.
I forget to see the famous writer.
I regret telling you the fact.
I regret to tell you the fact.
单选