初中英语时态总结(较简单)解析.doc

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： 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 school. 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。 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i＋es 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 +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 student. I / We/ You/ They/ don’t like music. Many people don’t 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? 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 + be. 练习题： --- May I help you, sir? --- Yes, I bought the TV the day before yesterday, but it ______. A. didn’t work B. doesn’t work C. won’t work D. can’t work 2．______ the bus until it ______.. A. Get off, stops B. Get off, will stop C. Don’t get off, stops D. Don’t get off, will stop 3．The 70-year-old man ______ exercises in the morning. A. takes B. are taking C. took D. will take 2. 现在进行时 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 fas