If 引导的条件状语从句If 引导的条件状语从句遵循主过从过、主将从现的原则。主将从现（主情从现、主祈从现）If it rains tomorrow,I wont climb the hills.If it doesnt rain tomorrow,I will go to the countryside with my friends.If 引导的条件状语从句If 引导的条件状语从句遵循主过从过、主将从现的原则。主将从现（主情从现、主祈从现）If you will help me,Ill finish it on time.We may go out if its fine tomorrow.If you finish your homework,you can watch TV.Please call me if you go shopping next Sunday.If I go there，Ill take her some flowers. Well stay at home if it rains tomor
