外研版中考英语语法复习专题--状语从句PPT(共42张)

状语从句的种类 1、时间状语从句 when, while, as soon as, since, until, before, after 2、条件状语从句 if 3、原因状语从句 because 4、地点状语从句 where 5、结果状语从句 so/such…that 6、让步状语从句 although, though 7、比较状语从句 than When he came in, I was cooking. He came in while I was cooking. She sang as she worked. 一边……一边…… When + 短暂性动词（常+一般过去时） While + 持续性动词（常+过去进行时） As 动作衔接紧密，表“伴随” 1.when,while,as “当…时” While I was walking down the street, I came across an old friend. ( while =_______) when but He likes pop music, while I am fond of folk music. ( while =_______) ※while 的其他含义： 2. before 在……前 It will be half a year before I come back. I had finished my homework before my father came back. 如果before引导的从句谓语用的是过去时，则主句动词多用过去完成时 After 在…之后 After I had finished my homework, my father came back. 3.since “自从”（常用于现在完成时） 从他离开后我们没见过面。 We haven’t seen each other since he left. 4.as soon as”一…就…” 我一回来就给你打电话。 I’ll call you as soon as I come back. 主将 从现 5.not…until “直到…才…” 我将不会离开直到他回来。 I will not leave until he comes back. 主将 从现 I did not leave until he came back. 1. ______ he comes here tomorrow, I will call you. 2. ________ he was walking in the street, he met Tim. 3. She sang ____she worked. When While/When as 4.I ’ll ring you up _____________I get to Beijing. as soon as 5.It won’t be long ______he finishes his writing. 6.______ he had finished his work, he left there. 7.It is two years ______he came here. 8.  _______she told me, I had no idea of what they had said . before After since Until when before as soon as not…until 二. 地点状语从句 地点状语从句由where, wherever等引导。例如： Where there is a will, there is a way. You can take a walk wherever you like to. 3. 原因状语从句 原因状语从句通常由because, as, since, for,now that, 等词引导。 because语气较强，最适合用以回答why问句。 as语气较弱，较口语化，所表示的原因较明显。(常放于主句之前) since语气较弱，常表对方已知的事实，相当于“既然” now that Eg: -Why are you late? -Because my car is broken. Since you can’t answer this question, I will call