2. 不定式作補語

　　1) 動詞+賓語+不定式(to do)

　　advise, allow, appoint, believe, cause, challenge, command, compel, consider, declare, drive, enable, encourage, find, forbid, force, guess, hire, imagine, impel, induce, inform, instruct, invite, judge, know, like, order, permit, persuade, remind, report, request, require, select, send, state, suppose, tell, think, train, trust, understand, urge, warn

　　a. Father will not allow us to play on the street.　父親不讓我們在街上玩耍。

　　b. We believe him to be guilty. 我們相信他是有罪的。

　　Find 的特殊用法

　　Find 后可用分詞做賓補，或先加形式賓語，再加形容詞，最后加帶to 的動詞不定式。find后也可帶一個從句。此類動詞還有get，have。

　　I found him lying on the ground.

　　I found it important to learn.

　　I found that to learn English is important.

　　4) there be+不定式

　　believe, expect, intend, like, love, mean, prefer, want, wish, understand

　　We didn't expect there to be so many people there. 我們沒料到會有那么多人在哪里。

　　注意

　　有些動詞需用as 短語做補語，如regard, think believe, take, consider.

　　We regard Tom as our best teacher.　我們認為湯姆是我們最好的老師。

　　Mary took him as her father .　瑪麗把他當作自己的父親。