初三时态复习27783.pptVIP

* * 初三时态复习 Have a look at these sentences… 1. I was doing my homework at five o’clock yesterday afternoon. 2. I finished my homework yesterday afternoon. 过去进行时 一般过去时 过去进行时v.s.一般过去时 过去进行时和一般过去时在时间状语上的区别： 过去进行时一般和表示过去具体时间的短语或从句连用，如this time yesterday, at nine’s o’clock Sunday; 一般过去时一般和表示过去大概时间的短语或从句连用，如yesterday, last week, last month. 练一练： 1.What _____ you ____ at six o’clock yesterday morning? 2. What ____ you ____ last night? A. are doing B. did do A B Have a look at these sentences… 1. I lost my new book yesterday. 2. I have lost my new book. 一般过去时 现在完成时 一般过去时v.s.现在完成时 现在完成时强调过去已经发生或完成的动作对现在造成的影响或结果。现在完成时常用的时间状语：already, just, yet等。 一般过去时表示过去某时发生的动作或单纯叙述过去的事情，强调是过去发生的和现在没有关系。 练一练： I ____ the book already. I ____ the book last week. A. read B. have read A B 练一练： I ____ my homework at that time. I ____ my homework last night. 3.I ____ already ____my homework. A. have finished B. did C. was doing C B A 现在完成时的时间状语： for + 时间段 since + 时间点 用since和for填空： ______ two years? 2) _______ two years ago? 3) ______ 1999? 4) ______ 4 hours? for since since for 延续性动词： 英语中的动词根据词义可分为延续性动词和非延续性动词（瞬间动词）。 表示的动作能够延续的动词叫延续性动词，如wait, keep, talk等； 表示的动作比较短暂、不能长时间延续的动词叫非延续性动词（瞬间动词），如come, leave, borrow. 判断下列动词是否为延续性动词： 1. come back ( ) 3. die ( ) 5.fall asleep ( ) 7.marry ( ) 9.borrow ( ) 2. be back ( ) 4. be dead ( ) 6.be asleep ( ) 8.be married ( ) 10.keep ( ) × × × × × √ √ √ √ √ 判断下列哪个句子是正确的： You have kept that book for 10 days. ( ) You have borrowed that book for 10 days. ( ) × √ 与表示一段时间的时间状语连用， 应用延续性动词。 have been to v.s. have gone to 翻译下列句子： They have been to Beijng twice, They have gone to Beijng. 他们去过两次北京。 他们去北京了。 have been to v.s. have gone to have been to表示“去过某地（现在已经回来了）”，have gone to表示“去某地了（说话时某人不在当地）”常用于第三人称; have been to 可与once ,never, several times等连用，have gone to则不能。 练一练 1. Miss Brown _______ to the Great Wall twice. ? A．have been B．has gone 2.– Where is Zhang Ming? --Oh, don’t you know he _