as if 用法歸納:
as if一般可由as though來代替�?稍趌ook, seem等系動(dòng)詞后引導(dǎo)表語從句。如:
It seems as if it is going to rain.
看來好像要下雨了。
as if 從句的語氣及時(shí)態(tài)
當(dāng)說話者認(rèn)為句子所述的是真實(shí)的或極有可能發(fā)生或存在的事實(shí)時(shí),as if從句用陳述語氣。如:
It sounds as if it is raining.
聽起來像在下雨。