2nd一般现在时态和一般将来时态要点.doc

初三语法串讲之时态专练习 （2016.7.13第二次课） 本课学习目标：一般现在时态， 一般将来时态 热身活动：你能准确读出一下句子并辨认出时态吗？ 1. I’m going to study computer science. 2.Where did you go on vacation? 3.Do you want to watch a game show? 4.How do you make a banaana cake? 5.I’ll help to clean up the city parks.6.What were you doing when the rainstorm came? 7.Have you read Treasure Island yet? 8. How do you get to school? 9. Im watching TV. 10.My favorite subject is science. 时态三：一般现在时含义：表示经常、反复发生的动作或存在的状态． a teacher. 2. I work six days a week. 　The earth goes round the sun. 4.Tom studies very hard. 5. She is always ready to help others. 二、时间标志语（时间状语） 　 always, often, usually, every day, sometimes等表示时间的行为动词在一般现在时中的用法：一般人称的动词用原形.但单数第三人称做主语时动词词尾发生变化：即.动词词尾加-s；或.-es 三单时动词的变化（V-s,V-es的变化） 1.）一般情况下，直接加 -s 　　　eg. works， plays, rains, sees 　　2.）以 sh, ch, s, x 或 o 结尾的词后加 –es 　　　eg. washes, teaches, fixes, does, goes 　　3）以辅音字母加 -y 结尾的，先把 ‘y’ 改成‘i’，再加 -es 注意: 动词加 -s 以后的读音. 　　1.在[p] [t] [k] [f] 等清辅音后， 发清辅音 /s/ eg. helps , works, likes, hates ,laughs 　　2.在浊辅音和元音后， 发浊辅音 /z/ eg. drives, cleans, plays 　　3.在[s] [z] [∫ ] [后， 发 /iz/ 　　rises, wishes, teaches, urges 　　4.在[t] [d]后，发 /ts/ /dz/ eg. fits, sets, needs 　　5. 其他情况下发[z]eg. plans, cries, showsa teacher. 否定句：He is not (isn’t) a teacher. 一般疑问句：Is he a teacher? 肯定/否定回答：Yes, he is, No, he isn’t. 特殊疑问句： What is he？ 总结：有be动词，在be动词身上做文章 情况二： 肯定句：I work six days a week. 否定句：I do not (don’t) work six days a week. 一般疑问句：Do you work six days a week? 肯定/否定回答：Yes,I do. No, I don’t. 特殊疑问句： How long do you work a week? 总结： 主语是一般人称(三单除外)，动词是行为动词，肯定句动词用原形，变否定、疑问句时加助动词do. 总结： 主语是一般人称(三单除外)，动词是行为动词，肯定句动词用V-s,V-es，变否定、疑问句时加助动词does,动词还原成原形. 情况三： 肯定句：He works six days a week. 否定句：He does not (doesn’t) work six days a week. 一般疑问句：Does he work six days a week? 肯定/否定回答：Yes, he does. No, he doesn’t. 特殊疑问句：How long does he work a week? 总结： 主语是三单，动词是行为动词，肯定句动词用原形，变否定、疑问句时加助动词does. 一、用所给词的正确形式填空。 1. We often___________(play) in the playground. 2. He _____