Unit 7 Vacation Lesson 5 课件
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| 名称 | Unit 7 Vacation Lesson 5 课件 |  | |
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| 文件大小 | 758.4KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 北师大版（三年级起点） | ||
| 科目 | 英语 | ||
| 更新时间 | 2016-12-29 18:23:42 | ||
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课件23张PPT。动词过去式变化规则Unit 7 Vacation
Lesson 5 Get It RightToday is Monday. What did the children do on Sunday? They rode a bike on Sunday.They swam in the sea on Sunday.They went to the cinema on Sunday.They had a picnic.They went hiking.They met friends.They ate dim sum.BeAm ---was wasn't =was not
Is --- was wasn't =was not
Are --- Were weren't =were not
I was eight last year. 名词
I was happy yesterday. 形容词
I was at home last night. 介词短语Regular verbs （规则动词） vs Irregular verbs（不规则动词）More about the past tenseRegular verbs直接加ed. Play---played (玩） cook---cooked （做饭）wash---washed(洗）
改y 为I 加ed. Try---tried （尝试） study--- studied （学习）
以e 结尾直接加d arrive---arrived （到达） dance---danced .（跳舞）
一个元音加一个辅音重读双写加ed shop---shopped （购物） plan--- planned.（计划）Irregular verbs不变：let ---let（让） put---put（放） cut---cut ( 剪切）
D变t : lend--- lent ( 借出） send---sent ( 发送） spend---spent(度过） build---built ( 建造）
I 变o : drive---drove ( 开车） write--- wrote (写）ride--- rode (骑车）
I 变a : begin---began ( 开始） drink---drank （ 喝水） swim ---swam (游泳） sing---sang (唱歌）
变aught . Teach---taught （ 教书）catch---caught (抓住）
变ought buy---bought (买） bring---brought （带来）
Irregular verbsdo --- did （做） eat---eat （吃）
go---went （去） have---had （有）
Meet---met （见到） run---ran （跑）
give---gave （给） come---came （来）
find---found （找到） take---took （拿）
drink---drank （喝水） see---saw （看见） If a verb ends with the letter y, we have to change it into ied in its past form. cry try carry tidyHowever, there are some exceptions:Some verbs have the same present form
and past form.Some verbs are irregular and we have
to be careful!Sometimes the past form of a verb is
totally different from its present form:PracticeatewentdidhadmetmadegiverodesawtakecamehadfedfoundwasatecameswamcaughtHint words:When we see the following words, we have to use the past tense.Practice1 He _______ (go) to school by bus yesterday.
2 Grandma _______ (have) lunch with her friends last night.
3 I _______ (meet) some friends last week.
4 We _______ (eat) fast food last Sunday.wenthadmetatePracticeI went to the beach.They _______ a picnic.had I _______ dim sum at a restaurant.What did you do yesterday?
eat dim sumate I _______ the newspaper.read She ________________.went shopping I ________________________.made the bed We ________________________.What did you do last summer?swim in the
swimming poolswam in the swimming pool
Lesson 5 Get It RightToday is Monday. What did the children do on Sunday? They rode a bike on Sunday.They swam in the sea on Sunday.They went to the cinema on Sunday.They had a picnic.They went hiking.They met friends.They ate dim sum.BeAm ---was wasn't =was not
Is --- was wasn't =was not
Are --- Were weren't =were not
I was eight last year. 名词
I was happy yesterday. 形容词
I was at home last night. 介词短语Regular verbs （规则动词） vs Irregular verbs（不规则动词）More about the past tenseRegular verbs直接加ed. Play---played (玩） cook---cooked （做饭）wash---washed(洗）
改y 为I 加ed. Try---tried （尝试） study--- studied （学习）
以e 结尾直接加d arrive---arrived （到达） dance---danced .（跳舞）
一个元音加一个辅音重读双写加ed shop---shopped （购物） plan--- planned.（计划）Irregular verbs不变：let ---let（让） put---put（放） cut---cut ( 剪切）
D变t : lend--- lent ( 借出） send---sent ( 发送） spend---spent(度过） build---built ( 建造）
I 变o : drive---drove ( 开车） write--- wrote (写）ride--- rode (骑车）
I 变a : begin---began ( 开始） drink---drank （ 喝水） swim ---swam (游泳） sing---sang (唱歌）
变aught . Teach---taught （ 教书）catch---caught (抓住）
变ought buy---bought (买） bring---brought （带来）
Irregular verbsdo --- did （做） eat---eat （吃）
go---went （去） have---had （有）
Meet---met （见到） run---ran （跑）
give---gave （给） come---came （来）
find---found （找到） take---took （拿）
drink---drank （喝水） see---saw （看见） If a verb ends with the letter y, we have to change it into ied in its past form. cry try carry tidyHowever, there are some exceptions:Some verbs have the same present form
and past form.Some verbs are irregular and we have
to be careful!Sometimes the past form of a verb is
totally different from its present form:PracticeatewentdidhadmetmadegiverodesawtakecamehadfedfoundwasatecameswamcaughtHint words:When we see the following words, we have to use the past tense.Practice1 He _______ (go) to school by bus yesterday.
2 Grandma _______ (have) lunch with her friends last night.
3 I _______ (meet) some friends last week.
4 We _______ (eat) fast food last Sunday.wenthadmetatePracticeI went to the beach.They _______ a picnic.had I _______ dim sum at a restaurant.What did you do yesterday?
eat dim sumate I _______ the newspaper.read She ________________.went shopping I ________________________.made the bed We ________________________.What did you do last summer?swim in the
swimming poolswam in the swimming pool