外研版英语九年级下状语从句复习讲义

外研版英语九年级下 状语从句复习 知识导图： 知识巩固：写出下列单词 1、并列连词：和_____ 但是_____ 或者，否则_____ 因此；所以_____ 既……又……，两个都_____ 要么……要么……；不是……就是……_____ 既不……也不……_____ 不但...而且..._____ 2、引导让步状语从句：虽然;尽管_____/_____ 即使 _____ 3、引导条件状语从句：如果_____ 除非_____ 只要_____ 4、引导时间状语从句：当......时_____/_____ 在.....之前_____ 直到_____ 在......之后_____ 自从_____曾经_____ 5、引导原因状语从句:因为_____/_____/_____ 6、引导目的状语从句：以便_____ /_____ 7、引导结果状语从句：如此......以至于_____/_____ 【考点一】对时间状语从句的考查 （1） when，while，as 三者都意为“当……的时候”，when 最常用，由其引导的状语从句中谓语动词可以是延续性动词，也可以是非延续性动词；while 从句中的谓语动词只能是延续性动词；as引导的从句中表示的动作常与主句表示的动作同时发生。中考主要考查前二者的区别。 （3）until/till意为 “ 到……为止”。表示动作结束；而 not …until/till 则意为“直到……才……”， 表示动作开始。 （4）since意为“自从……”； as soon as 意为“一 …… 就 ……”。 例1：Peter likes reading a newspaper he is having breakfast. A. until B. while C. because D. though 例2： Many students didn’t realize the importance of study they left schoo1. A. when B. until C. as D. after 例3：You should go over your test paper you hand it in . A. before B. though C. because D. as soon as 相似题练习一： 1．To avoid the virus (病毒), we should wash hands more carefully _____ we have meals. A．so B．before C．because D．although 2．—The play had already been on for quite some time when we _____ at the New Theatre. —What a pity! It is really worth seeing. A．have arrived B．arrived C．had arrived D．arrive 3．Lucy didn’t go to bed _____ she finished her homework last night. A．after B．as soon as C．until D．while 4．I will return it to the library _____ I finish reading Little Women. A．no longer B．as soon as C．so that 5．—Did you catch the early bus this morning —No, the bus started to move _____ I could get on it. A．when B．before C．until D．after 6．I won’t believe you _____ I have seen it with my own eyes. A．when B．until C．after 7．_____ we got together during the Spring Festival of 2022, three Chinese astronauts were on duty in outer space. A．Since B．If C．As D．Although 8．—Has the meeting begun yet —Not yet. We have to wait _____ everyone is here. A．for B．unless C．until D．as 9．_____ astronauts go on spacewalks, they wear spacesuits to keep themselves safe. A．Though B．Till C．When D．Unless 10．They have been friends _____ they first met. A．since B．while C．before D．after 【考点二】对条件状语从句的考查 （1）条件状语从句常由if，unless，as/so long as 等从属连词引导。主句的谓语动词是一般将来时，从句的谓语动词应用一般现在时表示将来要发生的动作或存在的状态。 不要将if引导的条件状语从句与由其引导的宾语从句混淆，也不能用 whether来替换if。 区分这两句话： I will be very happy if you come to my birthday party. I don’t know if he will come to my birthday party tomorrow. （3）含有if 条件状 ... ...