误：I felt very nervously when I went into his office. 当我走进他的办公室时,我感到很紧张。
正：I felt very nervous when I went into his office.
误：He was nicely to us. 他对我们很友好。
正：He was nice to us.
但是，少数表示地点或方位的副词如in, on, off, out, away, behind, up, down, over, through, around, round, below, inside, outside以及here, there, upstairs, downstairs等常可跟在连系动词后作表语。如：
My husband won't be in until six o'clock.我丈夫要到六点钟才在家。
When we arrived the film was over. 当我们到达时，电影结束了。
The old lady was upstairs. 那位老妇人在楼上待过。
I didn’t know you were here. 我不知道你在这儿。
My dream is to become the best footballer in the town. 我的梦想是成为全城最好的足球队员。
A soldier’s duty is to obey orders. 军人以服从命令为天职。
If a man is to succeed, he must work as hard as he can. 一个人要想成功，必须尽可能地努力工作。
(2) seem, appear, prove, continue, get, grow, come, turn out等连系动词后也可接不定式(尤其是to be)作表语，如：
I still seem to hear the music. 我还觉得音乐好像在我耳边萦绕。
My advice proved to be wrong. 我的意见证明是错的。
Babies of two months old do not appear to be reluctant to enter the water. 两个月的婴儿看来不象是不肯下水的。
The plan turned out to be a failure. 这项计划结果归于失败。
For years her love life continued to be one long tragic and comic novel. 多年来，她的爱情生活一直是一部既悲且喜的长篇小说。
She has a hot temper, but you will soon grow to like her. 她脾气躁，但不久你就会喜欢她了。
The drug proved (to be) highly effective. 这种药证明是非常有效的。
(3) 在表示知觉的连系动词 sound, smell, feel, taste, become等后通常不能接不定式。如：
误：They were all hungry and the food smelt to be good.
正：They were all hungry and the food smelt good. 他们都饿了，因而感到饭菜喷香。
误：This tea tastes to be sweet.
正：This tea tastes sweet. 这茶的味道很香。
It seemed that the man was ill.
= The man seemed to be ill. 这个人好像病了。
It appears that she failed to follow our instructions. 看来她并没有照指示做。.
= She appears to have failed to follow our instructions.