北师大版(三年级起点)六年级下册unit 7 vacation lesson 2 课件 （三）.pptVIP

Unit 7 Vacation Lesson 2 Lets Practice 一般过去时 什么是一般过去时？ 动词的一般过去时态表示过去发生的 动作、情况或存在的状态。 行为动词(即实义动词)的过去式没有人称 和数的变化。 所有时态都是通过 动词 变化来表现的 I ___ 12 years old this year. 我去年11岁. I ____ 11 years old last year. He ____ in Beijing now. 他昨天在上海。 He ____ in Shanghai yesterday. 他现在在北京。 Please look at the sentences 我今年12岁. am was is was They ____ in China today. 他们今天在中国。 They ____ in Japan yesterday. 他们昨天在日本。 are were am/ is was are were 每天，早餐我吃鸡蛋和牛奶。 I ____ eggs and milk for breakfast every morning. 昨天，早餐我吃面条。 I ____ noodles for breakfast yesterday morning. 他每天都吃水果。 He _____ fruit every day. 昨天他吃了3个苹果。 He _____ 3 apples yesterday. have/ has had have has had had I get up at 6:30 every morning. I ___ up at 9:00 last Sunday. He plays football every afternoon. He _____ basketball yesterday afternoon. He does his homework every evening. He ____ some reading last night. 动词原形、第三人称单数 动词过去式 got played did They don’t watch TV in the evening. They _________ TV last night. She doesn’t play basketball after school. She _________ basketball after school yesterday. Do you go to school on foot every day? ___ you __ to school on foot yesterday. Does he go to school by bus every day? ___ he ___to school by bus yesterday? don’t/ doesn’t do/ does didn’t did didn’t watch didn’t play Did Did go go 谓语构成 1.动词 be 2.动词 have, has 3.助动词do, does 4.行为动词用过去式 was , were had did 一般过去时以动词的过去式来表示，没有人称和数的变化.(was,were除外) I went to school yesterday. They went to school yesterday. 一般过去时的谓语构成：由动词的过去式构成（参看书本） 规则变化 1.一般加ed 2.以e结尾加d 3.末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加ed . work — worked change — changed prefer — preferred stop — stopped 4.以辅音字母加y 结尾的词,先改 y为 i,再加ed study — studied 5.不规则变化. 1.在过去某一时间内发生的动作： He got home at ten o’clock last night. 2.表示过去经常或反复发生的动作,常与often，always等表示频度的 间状语连用： I often got up very early at that time. 用法 3.表示已故人所做的事情。 Comrade Lei Feng did good deeds in his life. 雷锋同志做了一生的好事。 4. 表示过去所发生的一系列的动作,而这一系列的动作是从现在的角度来考虑的,不是从动作相互之间的关系这一角度来考虑的。 Miss Liu got up at seven o’clock this morning, dressed, ha