① as if和as though的用法幾乎完全相同,表示“好像,仿佛”,只是as if用得更為普遍。as if/as though引導(dǎo)狀語(yǔ)從句,有三種時(shí)態(tài):
表示有可能→動(dòng)詞用一般現(xiàn)在時(shí)
表示與現(xiàn)在事實(shí)相反→動(dòng)詞用一般過(guò)去式
表示與過(guò)去事實(shí)相反→動(dòng)詞用過(guò)去完成式
It looks as if it is going to rain. 看來(lái)好像要下雨了。
My teacher loves me as though I were his own child. 我的老師愛(ài)我就像自己的孩子一樣。
He looks as if nothing had happened. 他看起來(lái)好像什么事都沒(méi)有發(fā)生過(guò)。
② as if/as though后也可接不定式,表示即將發(fā)生的情況。
She opened her lips as if(she was going)to speak. 她張開(kāi)嘴好像有話要說(shuō)。
He raised his hand as if to take off his hat. 他舉起手,好像要取下帽子。
③ as if/as though后還可接名詞、形容詞(短語(yǔ))、介詞短語(yǔ)和分詞。
He acts as if a fool. 他做事像個(gè)傻子。
The mountain appears as if covered with white snow. 那座山看上去好像有白雪覆蓋一樣。
She glanced about as if in search of something. 她掃視四周,好像尋找什么東西。
He paused as if expecting Mary to speak. 他停了下來(lái),好像期望瑪麗說(shuō)話。
When she finished she waited as if for a reply. 她說(shuō)完后就等著,好像是等著答復(fù)。
④ as if/as though可以放在句首,表示感嘆語(yǔ)氣,含有驚訝、不滿、不贊成、厭惡等。
As if I cared!我才不在乎哩!
As if he were someone important!好像他是什么重要人物似的。
As if anyone would believe his words!好像有人會(huì)相信他的話似的!