as if 引导的状语从句一般有以下两种情况：
1．引导表语从句;
It looks as if they're looking for something.他们看起来好像在找什么东西.
2.引导方式状语从句,表示“事情是怎么做的”或“一个人或事物是什么样的”.
She spoke to me as if she knew me.她和我说话的神情,好像她早就认识我.
as if 引导的状语从句一般有以下两种情况：
1．引导表语从句;
It looks as if they're looking for something.他们看起来好像在找什么东西.
2.引导方式状语从句,表示“事情是怎么做的”或“一个人或事物是什么样的”.
She spoke to me as if she knew me.她和我说话的神情,好像她早就认识我.