I would recommend that you _______(think) about doing something similar for yourself. (should) think
It was imperative that students ______(finish) their papers before July 1st.
(should) finish
C.动词wish 、would rather (sooner)、if only、as if 后的虚拟语气。
I would rather he _____(buy) the house next year.
bought ( 表示从句中动作尚未发生)
She treats me as if I ______ (be) a stranger. were
The manager told us to be friendly to the visitors as if we _____( meet) them before.
had met
If only we ______(hxdye) a phone! I‘m tired of waiting outside the public phone box.
D.in case , for fear that , lest 等词后从句的谓语动词为(should) + 原形。
He took his umbrella with him lest it _______ (rain.)
(should) rain
E.在It is (high) time that 从句中谓语动词一般用过去时动词。
It‘s high time that we _______(take) firm measures to protect our environment. took
F.时间错综条件句,动词的形式要根据表示的时间调整。
如果我们早动身,现在就不会在雨中走了。
If we had set out earlier,we wouldn‘t be walking in the rain.
(从句中动作发生在过去,主句中动作发生在现在。)
4)动词的非谓语动词形式:
A.动词不定式:主要考查动词不定式作定语、宾语、宾语或主语补足语等的用法。还要注意动词不定式的被动式与完成式。
不定式作定语:If there is no choice, there is no decision ______(make) to be made
不定式作宾语: Robots , already taking over human tasks in the automotive field, are beginning ________(see) . to be seen
不定式作宾补 I notice him _______( lexdye ) the classroom. le
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