asif引導什麼從句

as if 用法歸納：

as if一般可由as though來代替。可在look, seem等系動詞後引導表語從句。如:

It seems as if it is going to rain.

看來好像要下雨了。

as if 從句的語氣及時態

當說話者認爲句子所述的是真實的`或極有可能發生或存在的事實時,as if從句用陳述語氣。如:

It sounds as if it is raining.

聽起來像在下雨。