if引导从句的三种时态
-
if引导从句的三种时态讲解
1、主将从现（主句为一般将来时,从句为一般现在时）；eg:If it rains(从句) ,I will stay at home（主句）.=I will stay at home if it rains.2、主句含有情态动词 （must、may、can etc.）从句为一般现在时；eg:If you drive too fast ,you may have an accident.=You...
1、主将从现（主句为一般将来时,从句为一般现在时）；eg:If it rains(从句) ,I will stay at home（主句）.=I will stay at home if it rains.2、主句含有情态动词 （must、may、can etc.）从句为一般现在时；eg:If you drive too fast ,you may have an accident.=You...