初中英语重点时态讲解.doc

寒假班6--7 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 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 fast. 3）频度副词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 o’clock.. 5) 常用于现在进行时态的时间状语： now ,look, listen等。 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ing make-making, taste-tasting 以重读闭音节结尾的单词，末尾只有一个辅音字母时. run-running, stop-stopping, 练习题： 1．I don’t think that it’s true. She’s ______ lies. A. tell B. tells C. telling D. told How ______ you ______ with the new job? A. do, do B. do, get along C. are, doing D. are, getting on 3．--- Are these socks yours? --- No. Mine ______ outside on the clothes line. A. are hanging B. have hung C. hang D. hung 3．一般过去时 用法： 过去发生的动作。例如： The police stopped me on my way home last night. 过去存在的状态。例如： They werent able to come bec