意义上相当于条件状语从句Р (3) 引导原因状语从句的连词:because, as, since, for等。 Р注意:如果原因是人们已经知道的事实,用since引导,有既然的意思РР (4) 引导目的状语从句的连词:Р①so that:He put on his glasses so that he could see it clearly.Р②in order that :1.与so as to 用法相同Р2.注意它与in order to的区别Р (5) 引导结果状语从句的词:Рsuch…that, so…that, РShe is so lovely a girl that we all like her.РShe is such a lovely girl that we all like her. Р注:区别当名词前有many或much修饰时,用so而不用such (so much time)Р (6) 引导地点状语从句的连词:where, wherever等。eg: РSit wherever you like. 请随便坐。Р (7) 引导让步状语从句的连词:though(一般位于句中), although(一般位于句首), even if, whatever, wherever, whenever等。РAlthough he was tired, he kept on working. 虽然他很累,但仍继续工作。Р (8) 引导比较状语从句的连词: than, as…as, more…than…, the+比较级,the+比较级等。 РРHe doesn’t play half as well as his sister. 他演奏的水平不及他姐姐的一半。РOur city is smaller than that one. 我们的城市比那个城市小。