【简介】感谢网友“雕龙文库”参与投稿,这里小编给大家分享一些,方便大家学习。
当 need, want, require, be worth后面接doing时,表示的是被动意义。例如:
Your hair wants cutting. 你的头发该理了。
The floor requires washing. 地板需要冲洗。
典型例题
The library needs___, but itll have to wait until Sunday.
A. cleaning B. be cleaned C. clean D. being cleaned
答案A. need (实意) +n /to do,need (情态)+ do,当为被动语态时,还可need + doing. 本题考最后一种用法,选A.如有to be cleaned 则也为正确答案。