2024年英语中考语法-时间状语从句讲义

时间状语从句 例句：He goes to school at 8 o’clock.他八点上学（时间状语从句） I am watching TV when my mother is cooking.当我妈妈做饭的时候，我在看电视。 结构：简单句+引导词+简单句 时间状语的引导词一般有：when/while/as 当... before 在...之前 after在...之后 since自从until 直到 as soon as 一...就... 1.When 当...的时候 主句+when+从句 （延续性动词/非延续性动词） 例句：I feel very happy when you come to see me.当你们来看我时，我感到非常高兴。（非延续动词） When you are crossing the street,you must be careful.当你过马路时一定要非常小心（延续动词） 2.While在...期间 在...同时 用延续性动词。 例句：I was watching TV while my mother was cooking.当我妈妈在做饭时，我在看电视。 I am listening to music while I am doing my homework.当我做作业的同时我在听音乐。 3. as 当，随着... 动作同时发生，相互伴随。 例句：Helen heard the story as she washed clothes .海伦在洗衣服时听了那个故事。 We get wiser as we get older.随着年龄的增长我们会变聪明。 4. before 在...之前 after在...之后 例句：I will always work hard before I enter Beijing University.在我考入北京大学之前，我会一直努力。 She showed me many beautiful stamps after I got to her home.当我到达她家之后，她给我展示了很多漂亮的邮票。 5. until/till 用法没有区别，但是till不能用于句首。 例句： You may stay here until/till the rain stops.你可以一直待在这里直到雨停了。 Not...until 直到...才... 例句：He didn't go to bed until he had finished his homework.他知道做完作业才去睡觉。 I don't leave here until your mother comes here.直到你妈妈来这里我才离开。 6. since 自从...从句常用一般过去时，主句现在完成时。 例句： I have been here since 1989.自从1989年我就一直住在这儿。 I have been here since 5 years ago.自从5年前我就一直住这儿。 7.as soon as 一...就...主句将来时，从句一般现在时（主将从现） 例句：As soon as he arrives .I will tell him.他一到，我就告诉你。 As soon as he comes.I will make him see you.他一来我就让他去见你。 时间状语从句专项练习 1．_______ she first came here, it was still a very small village. A．Because B．As C．While D．When 2．Mr. Green was talking on the phone ________ I arrived at his office. A．after B．where C．when 3．________ I got home, my mother was cooking in the kitchen. A．When B．Because C．If D．Though 4．—What are you doing, girls? —Hey, Mom! I’m drawing a tiger ________ Mary is doing her homework. A．until B．but C．while 5．While I was walking my dog, I ________ to see a car accident. A．happen B．has happened C．happened D．had happened 6．Mary was doing her homework __