從句表示與將來事實相反，謂語動詞用“would／could／might＋動詞原形”。

　　例句：

　　Her head felt as if it would burst.

　　她覺得頭要爆裂了。

　　He made as if to speak.

　　他似乎要說點什么。

　　I don't feel as if I belong here.

　　我在這里感覺格格不入。

　　I felt as if my heart had stopped.

　　我覺得好像我的心都不跳了。

　　I can remember our wedding as if it were yesterday.

　　我們的婚禮我記憶猶新，就像昨天一樣。