◎ 為了避免重復(fù)句中上文已出現(xiàn)過的動(dòng)詞,可以單獨(dú)使用不定式符號to,而省略后面的動(dòng)詞。有下面幾種情況。
① 在hope,like,want,need,love,hate,plan,try,wish,forget,decide 等動(dòng)詞后,省略前面已出現(xiàn)過的動(dòng)詞。
I asked him to come but I he didn't want to。我要他來,但是他不想來。(省略come)
I meant to go but forgot to. 我本想去的,可是忘了。(省略go)
Though he had no time to go travelling,yet he hoped to. 雖然他沒有時(shí)間去旅游,但他希望去。
They have not yet built the bridge,but they plan to. 他們還沒有建造那座橋,但他們計(jì)劃建造。
It's difficult to swim across the river,but I'll try to. 游過這條河不容易,但我要試一試。
② 在used to,ought to,have to等詞組后的動(dòng)詞可省去,以免重復(fù)。
A:Do you often go fishing now?你現(xiàn)在常去釣魚嗎?
B:No,but I used to. 不,但我過去常去釣魚。
I didn't mean to take a taxi but I had to,because it was raining hard. 我本不打算坐出租車的,但不得不坐,因?yàn)樘煜麓笥炅恕?
③ 在be ready to,be glad to,be able to,be going to,be afraid to 等短語后,可省略前面已出現(xiàn)過的動(dòng)詞,以避免重復(fù)。
I haven't read the novel yet,but I'm going to. 我還沒讀過那本小說,但我打算讀。
I have no chance to help her but I'm ready to. 我沒有機(jī)會幫助她,但我樂意幫助她。
The boy wants to climb up the tree,but he is afraid to. 這孩子想爬上那棵樹,但又害怕。