一般现在时与一般过去时

1、2.The wall is white. The floor is green.1.What do you do on the weekend? I usually watch TV and go shopping. I sometimes visit my grandparents. 3.She has big eyes and long hair. Shes very active. 5. What did you do last weekend? I played football.4.There are four seasons in a year.6. Did you read bo

2、oks yesterday? Yes, I did. 动词第三人称单数的的构成原则动词第三人称单数的的构成原则: 1)一般在动词词尾加一般在动词词尾加 s;2) 以以s, x, o, sh, ch结尾加结尾加es; 3) 末尾是辅音字母末尾是辅音字母y动词动词,改改y为为i, 再再 加加es;规则动词过去式的构成原则规则动词过去式的构成原则: 1) 一般在动词原形末尾加一般在动词原形末尾加-ed；2) 词尾是词尾是e的动词加的动词加-d; 3) 末尾是辅音字母末尾是辅音字母y动词，改动词，改y为为i再加再加ed;4) 末尾只有一个辅音字母的重读闭音节词末尾只有一个辅音字母的重读闭音节词,先先双

3、写双写这个辅音字母，再加这个辅音字母，再加ed.一、将下列动词变为第三人称单数形式和过去式一、将下列动词变为第三人称单数形式和过去式climb: watch: wash: live: dance: use: study: empty: stop: buy: do: read: climbs climbedwatches watchedwashes washedlivesliveddances dancedusesusedstudies studiedemptiesemptiedstopsstoppedbuysboughtdoesdidreadsread规则动词过去式的构成原则规则动词过去式的构

4、成原则: 1) 一般在动词原形末尾加-ed；2) 词尾是e的动词加-d; 3) 末尾是辅音字母y动词，改y为i， 再加ed;4) 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.动词第三人称单数的的构成原则动词第三人称单数的的构成原则: 1)一般在动词词尾加 s;2) 以s, x, o, sh, ch结尾加es; 3) 末尾是辅音字母y动词,改y为I,再加es;Lets have a match.do: didgo: wentsing:sangeat: atetake: tookhave:hadbuy: boughtsee: sawread readget:got一般过去时

5、一般现在时 含义 表示过去某个时间发生的动作或存在的状态。 1)表示现阶段经常发生的动作或存在的状态; 2) 表示说话时主语的特征、性格、能力等；3）表示永恒的真理。 时间用语 yesterday, last weekend, last night, last Saturday, in 2002 often, usually, sometimes, always, every day, every weekend 肯定句 动词的变化 动词: 全部用过去式。无单复数变化.规则动词过去式的构成原则规则动词过去式的构成原则: 1) 一般在动词原形末尾加-ed；2) 词尾是e的动词加-d; 3) 末尾

6、是辅音字母y动词，改y为i， 再加ed;4) 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. 1)be动词:主语是第一人称用am,第三人称单数用is,其他用are;2)一般动词: 主语是第三人称单数，动词词尾加s或es. 动词第三人称单数的构成原则动词第三人称单数的构成原则: 1)一般在动词词尾加 s;2) 以s, x, o, sh, ch结尾加es; 3) 末尾是辅音字母y动词,改y为I,再加es;一般疑问句 句首词 did am, is , are / do,does动词 都都 是是 动动 词词 原原 形形 肯定回答 Yes, did.1)Yes, am/is/are.

7、 2)Yes, do/does. 否定回答 No, didnt. 1)No, am /is/are not. 2)No, do/does not. 特殊疑问句的句子结构 特殊疑问词did+主语动词原形其他？ 特殊疑问词am/ is/ are+主语动词原形其他？特殊疑问词do/does+主语动原其他？ 二、请根据要求改写句子 1) Sarah is in her bedroom. (变为一般疑问句) 2) I have a sore throat. (变为一般疑问句) 3)They cleaned the room yesterday. (变为一般疑问句) 4) Are you a studen

8、t? (作肯定回答) 5)Did you go hiking last weekend?(作否定回答) 6) My brother lives in Beijing. (变为一般疑问句) 7) Are there many tress in the mountain? (作否定回答) 8)Does your mother go to work on foot? (作肯定回答) 9)Mike bought presents in Kunming.(就划线部分提问) 10) I usually eat dinner at 6:30. (就划线部分提问) ) 11)I often play the

9、piano on the weekend.(把一般现在时变成一般过去时) 二、请根据要求改写句子二、请根据要求改写句子 1) Sarah is in her bedroom. (变为一般疑问句变为一般疑问句) 2) I go to school on foot.(变为一般疑问句变为一般疑问句) 3)They cleaned the room yesterday. (变为一变为一般疑问句般疑问句) 4) He watched TV last night. (变为一般疑问句变为一般疑问句) Is Sarah in her bedroom?Do you go to school on foot?Di

10、d they clean the room yesterday?Did he watch TV last night?5) My brother lives in Beijing. (变为一般变为一般疑问句疑问句) 6) I have a sore throat. (变为一般疑问句变为一般疑问句) 7) We sang and danced in the park last Sunday.(变为变为 一般疑问句一般疑问句) Does your brother live in Beijing?Do you have a sore throat?Did you sing and dance in

11、the park last Sunday? 8)Mike bought presents in Kunming. (就划线部分提问就划线部分提问) 9) I usually eat dinner at 6:30. (就划线部分提问就划线部分提问) 10) I often play the piano on the weekend. (把一般现在时变成一般过去时把一般现在时变成一般过去时)What did Mike do in Kunming?When do you usually eat dinner?I played the piano last weekend.三、用动词的适当形式填空三、

12、用动词的适当形式填空 Sarah is my good friend. She often (get) up at 6:30 and (eat) breakfast at 7:00. Then she usually (go) to school on foot. Last weekend she (go) hiking with me.We (climb) a mountain and (take) pictures. We were very happy. getseatsgoeswentclimbedtook Mike is from Canada. Hes an English teacher. He (live) in Shanghai. He usually (get) up at 7:00 and (go) to work by car. He (speak) Chinese very well. The students (like) hi