牛津?qū)嵱糜⒄Z語法:242 動詞+ how/what/when/
A 這類動詞中最常用的有 ask, decide, discover, find out, for- get,know, learn, remember, see(= understand/perceive),show+賓語, think, understand, want to know,wonder:
He discovered how to open the safe.
他發(fā)現(xiàn)了打開保險柜的方法。
I found out where to buy fruit cheaply.
我找到了買便宜水果的地方。
I didnt know when to switch the machine off.
我不知道什么時候關(guān)掉機器。
I showed her which button to press.
我告訴她應(yīng)該按哪一個按鈕。
She couldnt think what to asy.
她想不出說什么。
(注意:這種結(jié)構(gòu)不常用于動詞think的現(xiàn)在式和過去式之后,但可以用于think的其他形式之后,或者如上面最后一個例句那樣,用于前面還有一個助動詞的think之后。)
B whether+不定式同樣可以用于 want to know, wonder之后:
I wonder/wondered whether to write or phone.
我不知道應(yīng)該寫信還是應(yīng)該打電話。
這種結(jié)構(gòu)還可以用于表示否定意義或疑問意義的decide, know, remember和 think后面:
You neednt decide yet whether to study arts or science.
你現(xiàn)在不必決定學習文科還是理科。
He couldnt remember whether to turn left or right.
他沒記住向左拐還是向右拐。
C ask,decide,forget,learn,remember 等詞后也可以直接跟不定式。但其含義并不一定相同。
learn how+不定式(=acquire a skill學會技能):
She learnt how to make lace.
她學會了怎樣做花邊。
如果是相當普通的技能,通常就不用how:
She learnt to drive a car.
她學會了開汽車。
learn+不定式(不帶how)可以有另一種含義:
She learnt to trust nobody.
她信不過任何人。相當于:
She found from experience that it was better to trust nobody.
經(jīng)驗告訴她,誰都不可靠。
同時注意:
I decided to do it.
我決定要做這件事。相當于:
I said to myself,Ill do it.
我心里想:我要做這件事。
I decided how to do it.
我決定了如何去做這件事。相當于:
I said to myself, Ill do it this way.
我心里想:我要這樣做。
I remembered to get a ticket.
我沒忘了弄一張票。(我弄到一張票。)
I remembered where to get a ticket.
我記得到哪兒買票。(我記得可以從音樂節(jié)辦公室買到票。)
A 這類動詞中最常用的有 ask, decide, discover, find out, for- get,know, learn, remember, see(= understand/perceive),show+賓語, think, understand, want to know,wonder:
He discovered how to open the safe.
他發(fā)現(xiàn)了打開保險柜的方法。
I found out where to buy fruit cheaply.
我找到了買便宜水果的地方。
I didnt know when to switch the machine off.
我不知道什么時候關(guān)掉機器。
I showed her which button to press.
我告訴她應(yīng)該按哪一個按鈕。
She couldnt think what to asy.
她想不出說什么。
(注意:這種結(jié)構(gòu)不常用于動詞think的現(xiàn)在式和過去式之后,但可以用于think的其他形式之后,或者如上面最后一個例句那樣,用于前面還有一個助動詞的think之后。)
B whether+不定式同樣可以用于 want to know, wonder之后:
I wonder/wondered whether to write or phone.
我不知道應(yīng)該寫信還是應(yīng)該打電話。
這種結(jié)構(gòu)還可以用于表示否定意義或疑問意義的decide, know, remember和 think后面:
You neednt decide yet whether to study arts or science.
你現(xiàn)在不必決定學習文科還是理科。
He couldnt remember whether to turn left or right.
他沒記住向左拐還是向右拐。
C ask,decide,forget,learn,remember 等詞后也可以直接跟不定式。但其含義并不一定相同。
learn how+不定式(=acquire a skill學會技能):
She learnt how to make lace.
她學會了怎樣做花邊。
如果是相當普通的技能,通常就不用how:
She learnt to drive a car.
她學會了開汽車。
learn+不定式(不帶how)可以有另一種含義:
She learnt to trust nobody.
她信不過任何人。相當于:
She found from experience that it was better to trust nobody.
經(jīng)驗告訴她,誰都不可靠。
同時注意:
I decided to do it.
我決定要做這件事。相當于:
I said to myself,Ill do it.
我心里想:我要做這件事。
I decided how to do it.
我決定了如何去做這件事。相當于:
I said to myself, Ill do it this way.
我心里想:我要這樣做。
I remembered to get a ticket.
我沒忘了弄一張票。(我弄到一張票。)
I remembered where to get a ticket.
我記得到哪兒買票。(我記得可以從音樂節(jié)辦公室買到票。)