复合从属连词 as if 可在实义动词后引导状语从句,或在 look.appear,seem.feel sound.smell.taste 等系动词后引导表语从句,表示猜测、联想、假定、比较或行为的方式。例如:He talks as if he knew all about it.他说话的口气好象他对这件事全都知道。She looks as if she had seen a ghost.她象是见了鬼似的。我们也可用 it 作形式主语,而把 as if 引导的从句放在后面。如:It seemed as if they had never missedSylvia.他们仿佛从来没有惦记过西尔维 The compound subordinate conjunctions as if can direct adverbial clauses after the verbs of the real meaning or the ephemeral clauses after the look.appear, seem.feel sound.smell.taste, etc., to indicate the way of guessing, associating, assuming, comparing, or behaving . He spoke as if he knew all about it. She looks as if she had seen a ghost. We can also use it as the subject of form, and as if the guidance of the clause on the back. Such as: It seemed as if they had never missedSylvia. They seem to never remember Sylvie