初中英语时态总结.doc
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1、初中阶段,要求学生掌握动词6种时态的基本结构(一般现在时,一般过去时,现在进行时,过去进行时,现在完成时,和一般将来时态)及它们的主要用法和区别。了解过去将来、过去完成时态的基本用法,解题时注意找出关键词,正确判断出时态,按时态结构正确变化动词。注意句子时态的一致性,注意对特殊时态的处理。1、一般现在时:l 用法:1)现阶段经常性,习惯性的动作。例如: I get up at six every morning. He plays tennis once a week.2)现在的状态。例如:My mother is a teacher. She teaches English in a sch
2、ool.3)客观真理。例如:The earth goes around the sun.4)常用于一般现在时态的时间状语: often ,usually ,sometimes ,always ,every day ,never ,in the morning 等连用时。l 构成:主语是I, we, you, they和名词复数时作谓语的行为动词用原形。主语是he, she , it和名词单数时,动词第三人称单数的变法如下:一般情况s以s, x, ch, sh,o结尾es以辅音y结尾变y为ies主语为第三人称和名词单数时:肯定式:S+V/动词的第三人称单数否定式:S+ dont/doesnt +
3、V+其他疑问式:Do/Does+S+V+其他简略回答:(肯)Yes,S+do/does (否)No,S+do/does not 注意:have的第三人称单数为has 主 语肯 定 式否 定 式疑 问 式第一、二人称和第三人称复数以及名词复数I am a student.We/You/ They are students.He/ She is a student.I / We/ You/ They/ like music.Many people like music.I am not a student.We/You/ They are not students.He/ She is not a
4、 student.I / We/ You/ They/ dont like music.Many people dont like music.Are you a student.Are you/ they students?Is he/ she a student?Do you/ they like music?Do many people like music?l 当主语是第一、二人称和第三人称复数以及名词复数时:肯定式: S + be +否定式: S+ be +not + 疑问式: Am /Is /Are + S+ ?简略回答: (肯) Yes, S + be. (否) No, S +
5、be.练习题:1. - May I help you, sir?- Yes, I bought the TV the day before yesterday, but it _.A. didnt work B. doesnt work C. wont work D. cant work2_ the bus until it _. A. Get off, stops B. Get off, will stop C. Dont get off, stops D. Dont get off, will stop3The 70-year-old man _ exercises in the morn
6、ing. A. takes B. are taking C. took D. will take2. 现在进行时l 用法: 1)说话时正在进行或发生的动作(动作是在说话时正在进行)。例如: She is having a bath now. 2)现阶段正在进行或发生的动作(但是动作并不是必须在说话时正在进行)。例如: You are working hard today. Kate wants to work in Italy, so she is learning Italian. The population of the world is growing very fast.3)频度副词
7、always, forever等词连用时, 表示某种强烈的感情。如:He is always trying out new ideas. (表示欣赏,表扬)4)表示按计划即将发生的动作(仅限于go, come, arrive, leave, start, fly, begin, stay 等动词)。如: The party is beginning at 8:00 oclock.5) 常用于现在进行时态的时间状语: now ,look,listen等。l 构成:be+ v-ing v-ing现在分词的构成:一般情况cook-cooking以不发音字母e结尾的单词。去e,加ingmake-mak
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