Unit 2 课件 2022-2023学年仁爱科普版英语九年级上册

知 识 导 图 1. 正确区分一般过去时和现在完成时 2. 掌握复合不定代词的用法 3. 掌握重点词法的用法 4. 学会用it句型来造句 教学目标 重点语法 一. 构成区别: 一般过去时:主语+动词的过去式 现在完成时:主语+have/has+动词的过去分词 I saw this film yesterday. I have seen this film. 一般过去时和现在完成时的区别 二.定义区别: 一般过去时表示过去某时间里发生的动作或单纯叙述过去的事情。 现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果。 I knew him in 2005. (过去的动作) 我在2005年认识他。 We have known each other since 2005. (把过去的动作和现在联系在一起,并着眼于现在) 自从2005年来我们就相互认识 I saw this film yesterday. (强调看的动作发生过了) I have seen this film. (强调对现在的影响,电影内容已经知道了) 一般过去时和现在完成时的区别 三.时间状语的区别: 现在完成时不可和明确表示过去的时间状语从句连用,但一般过去时可以。 如:yesterday, last night, three days ago, just now等。 She has lived here since two years ago. She lived here two years ago. 一般过去时和现在完成时的区别 例题: Last week I _ a cold. That's to say since last week, I _ a cold. A. have had; have B.caught; have had C.have had; have caught D.caught; have caught B 练习: 1.Paula is pleased that she _ her lost watch.( ) A. Finds B.found C.has found D.will find 2.Her grandpa _ in 2000.Though he _ for about ten years,she still misses him. A.dies,has died B.died,has been dead C.died,was dead D.died,has died 3.一Your shoes are so old.Why don't you buy a new pair? 一Because I _ all my money on an MP5.( ) A.spend B.have spent C.am spending D.was spending 4. I can't find my notebook anywhere.I'm afraid I _it.( ) A.lose B.lost C.have lost D.was losing C B B C 复 合 不 定 代 词 -one 人 -body 人 - thing 事 一些... some- someone somebody something 任何... any- anyone anybody anything 每... every- everyone everybody everything 没有... no- no one nobody nothing 复合不定代词定义:由some ,any, no , every 加上 -body -one -thing构成的不定代词 1.主谓一致 1.Someone is crying in the next room. 2.There is nothing wrong with the TV. 3. Everyone has their dreams. 复合不定代词做主语,谓语动词用第三人称单数形式。 1.Someone called on her last week. 2.There isn't anyone else there. 3.Is anybody over there? 4.Would you like something to eat? some不定代词常用于肯定句中,any不定代词多用于否定句或疑问句。 但在表示请求,建议等的疑问句中,问话者希望得到肯定答复时,常用含有some的不定代词,如:something、someone、somebody等 2.some/any复合不定代词 1.There is nothing important in today 's newspaper. 2.I