be possible等能以人作主語嗎

請(qǐng)看一道題：

He is __________ to win the match.

A. possible            B. difficult             C. sure                  D. easy

此題應(yīng)選C。其余幾項(xiàng)不能選為答案，是因?yàn)樗鼈冊(cè)谕ǔＧ闆r下，不以人作主語。

他可能會(huì)贏得這場(chǎng)比賽。

誤：He is possible to win the match.

正：It is possible for him to win the match.

我很難按時(shí)完成它。

誤：I’m difficult to finish it in time.

正：It’s difficult for me to finish it in time.

他可以輕而易舉地把它干好。

誤：He’s easy to do it well.

正：It’s easy for him to do it well.

他不可能成功。

誤：He is impossible to succeed.

正：It is impossible for him to succeed.

他有必要買臺(tái)電腦。

誤：He is necessary to buy a computer.

正：It is necessary for him to buy a computer.

對(duì)于以上結(jié)構(gòu)，有些形容詞有時(shí)也可用人作主語，但要注意，此時(shí)這個(gè)主語必須是其后不定式的邏輯賓語。如：

他很容易(難)相處。

正：He’s easy (difficult) to get along with.

正：It’s easy (difficult) to get along with him.