中考英语状语从句课件[宣贯].pptVIP

when 主句和从句动作同时发生 before 之前 after 之后 as 并行发生，不分先后While 强调主句所表示的动作持续于while所指的整个时间内 John was watching TV，his wife was cooking He sang happily he walked along the river he got to the station，the train had left He had learned a little English he came to China he finished middle school，he went to work in a factory * 精品PPT | 实用可编辑 常用引导词： 　　 　　　 要点：引导条件状语从句的连词有if（如果）、unless（除非）等，unless在意义上相当于if．．．not。条件状语从句也像时间状语从句一样，如果主句用将来时，从句要用现在时代替将来时。如： You will fail____ you study hard．（＝You will fail if you dont study hard．）除非你努力学习，否则你会失败。 　if 　unless as long as once 　　　　　　　　　　　　 1.　I will help you with your English if I ‘m free　. 2. Once you remember the words，English is easy . As long as you are happy， I will be happy . Unless you put on a coat，you may catch a cold .　　 * 精品PPT | 实用可编辑 you do more exercise，you will be healthy He won’t be here he’s invited Maths is very easy to learn you understand the rules * 精品PPT | 实用可编辑 1.He didn’t go to school because he was ill 2.Since you can’t answer the question I’ll ask someone else 3.As he is no car ,he can’t get there easily 　　常用引导词：_________,_________,_____ 　　 because since as 比较: because常回答why引导的疑问句，该从句一般位于主句后；since比as正式，两者不回答why引导的问句，而且其从句一般放在句首。如： 1.—Why cant I go？为什么我不能去？ — ______ youre too young．因为你年纪太小了。 2.___you are not feeling well，youd better stay at home． 既然你不太舒服，还是留在家里的好。 3、 原因状语从句 * 精品PPT | 实用可编辑 1 ----“why did Lilei use a pencil” ---- his pen was broken we have no money，we can’t buy it he has no car，he can’t get there easily * 精品PPT | 实用可编辑 Exercise： 1.I haven’t heard from him he went to American 2.I will tell him the news he comes back 3.He will not go to the cinema he is very busy 4 it rains tomorrow，we will not go to the zoo 5.Don’t leave the room you have finished the text 6.I’d like to go swimming the water is