英语过去式用法PPT课件

1、一般过去式结构 结构：主语+动词的过去式+其他。 be动词：was , were 规则动词的过去式 不规则动词的过去式 have-had can-could go-went come-came take-took第1页/共10页规则动词过去式的构成 1.一般在动词原形末尾直接加上-ed look-looked listen-listened wait-waitedl2.以不发音的字母e结尾的动词，去e再加-ed. live-lived drive-drived like-likedl3.重读闭音节，先双写，再加-ed. stop-stopped shop-shopped beg-beggedl

2、4.末尾是辅音字母+y结尾的动词，先变y为i，然后再加-ed. study-studied try-tried carry-carried第2页/共10页一般过去式的用法 一般过去时表示过去某个时间发生的动作或存在的状态.常和表示过去的时间状语连用.如：last year， yesterday等；也可表示过去经常反复发生的动作，常和often， always等频率副词连用. 例如：I saw him in the street yesterday. 昨天我在街上看见他了. Li Mei always went to school on foot last year. 去年李梅总是步行上学.第3

3、页/共10页一般过去式句型变化 肯定句结构为：主语+动词的过去式+其它. 例：他昨天去图书馆了。l否定句结构为：主语+did not (didnt)+动词原形+其它. 例：他昨天没去图书馆。l一般疑问句的构成：Did+主语动词原形其它？ 1) -Did you go to Beijing last week？-Yes， we did. (No， we didnt.)2) -Did you meet the businessman before？-No， I didnt. (Yes， I did.)He went to the library yesterday.He didnt go to t

4、he library yesterday.第4页/共10页 4.特殊疑问句的构成：疑问词did+主语动词原形其它？ 1) -What did you do last night？-I did my homework.2) -Where did you go last week？-I went to Shanghai with my parents.第5页/共10页一般疑问句口诀 一般过去时并不难，表示过去动作、状态记心间. 动词要用过去式，时间状语句末站. 否定句很简单，didnt 站在动词原形前，其它部分不要变. 一般疑问句也好变，did放在句子前，主语、动词原形、其它部分依次站. 特殊疑问

5、句也简单，疑问词加一般疑问句记心间. 最后一条请注意，动词过去式要牢记.第6页/共10页练习 A、用动词的适当形式填空。 1) It_( be ) Bens birthday last Friday. 2) We all_ ( have ) a good time last night. 3) He _ ( jump ) high on last Sports Day. 4) Helen _ ( milk ) a cow on Friday. 5) She likes_newspapers, but she _a book yesterday. ( read ) 6) He _football

6、 now, but they _basketball just now. ( play ) 7) Jims mother _ ( plant ) trees just now. 8) _they _ ( sweep ) the floor on Sunday? No, they_. 9) I _ ( watch ) a cartoon on Monday. 10) We_ ( go ) to school on Sunday. 第7页/共10页 B、按要求改写句子。 1) My father came to the shop just now.（改为否定句） My father_ _ to t

7、he shop just now. 2) I watched TV last night.（改为一般疑问句，并作否定回答） -_you _ TV last _? - _ , _ _. 3) Their teacher told them a story yesterday.（对红字部分提问） _ _ their teacher_them yesterday? 4) They were on the farm last Saturday.（改为否定句） They _ on the farm last Saturday. 5) David and Liu Tao did their homework together a moment ago.（改为一般疑问句） _ David and Liu Tao_ _ homework together _ _ _.第8页/共10页1. He usually gets up early in the morning. But_late today.2. She usually works from 8 a.m. to 5 p.m. But yesterday（8-9）_3. _ on Sunda