3)在以why引導(dǎo)的疑問句中不帶to。
如:Why spend such a lot of money? 為什么花那么多錢?
4)在cannot but, cannot choose, cannot help but之后的不定式不帶to.
如:I cannot but admire his courage. 我不得不欽佩他的勇氣。
5) 不定式動(dòng)詞在介詞but, except, besides后面時(shí),如果這些介詞之前有行為動(dòng)詞do的各種形式,那么,這些介詞后面的不定式不帶to, 否則要帶to。
如:The boy would do nothing but cry.這個(gè)男孩只是哭。
I have no choice but to accept the fact.除了接受這個(gè)事實(shí)之外,我別無選擇。
6)某些習(xí)語中,如:make believe(假裝),let go (放開,釋放),hear say(據(jù)說),go hang (忘卻)等。
如:The children are making believe that they are princes and princesses.孩子假裝他們是王子和公主。
7)兩個(gè)動(dòng)詞不定式由and, or 或than連接在一起,為了避免重復(fù),第二個(gè)動(dòng)詞不定式可以省去。
如:I’d like to lie down and go to sleep.我想躺下睡覺。
但是如果是兩者的對(duì)照,后面的不定式不省to.
如:It is better to laugh than to cry. 笑比哭好。
第二部分 鞏固練習(xí)
用括號(hào)中動(dòng)詞的適當(dāng)形式填空
1.The boy was made ___________ (sing) the song once again.
填to sing. 在make后面,不定式作主語補(bǔ)足語時(shí)應(yīng)該加上不定式符號(hào)to
2.Don’t make children _________ (work) too hard.
填work. make后面的動(dòng)詞不定式作賓語補(bǔ)足語的時(shí)候,省略不定式符號(hào)to
3.They would rather _____ (die) than _________ (surrender).
填 die, surrender。would rather 后面不用to
4. He could not choose but ___________ (love) her.
填love. could not choose but后面之后的不定式不帶to
5.She could do nothing but _________ (change ) her name under the circumstances.
填change. 不定式動(dòng)詞在介詞but后面時(shí),如果這些介詞之前有行為動(dòng)詞do的各種形式,那么,這些介詞后面的不定式不帶to, 否則要帶to
6.He had his son _________ (play)the violin three hours a day.
填play. have 后面的動(dòng)詞不定式作賓語補(bǔ)足語,要省略to
7.There was nothing to do except _________ (escape).
填escape. 不定式動(dòng)詞在介詞except后面時(shí),如果這些介詞之前有行為動(dòng)詞do的各種形式,那么,這些介詞后面的不定式不帶to, 否則要帶to
8.He has not alternative but ________ (go ) and ask his sister for help.
填 to go. 不定式動(dòng)詞在介詞but后面時(shí),如果這些介詞之前有行為動(dòng)詞do的各種形式,那么,這些介詞后面的不定式不帶to, 否則要帶to
9.What can you see in the park?
I can see birds ________ (fly ) in the sky and sometimes I can see people _______ (do) shadowboxing.
填 fly/ do 感官動(dòng)詞see后面的動(dòng)詞不定式作賓語補(bǔ)足語的時(shí)候,省略to
第三部分:總結(jié)
本次課主要講述了非謂語動(dòng)詞中的不定式的用法,需要大家重點(diǎn)掌握:
1。不定式的語法功能
2.動(dòng)詞不定式的復(fù)合結(jié)構(gòu)
3.不帶to的不定式
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