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一般现在时、现在进行时及一般过去时讲解课件(53张ppt)

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动词过去式转换练习
答 案 1. look looked2. live lived3. stop stopped 4. carrycarried5. hopehoped6.think thought 7. Callcalled 8. finish finished9. want wanted 10.Arewere 11.go went 12.have had 13.do did 14.get got e came 16.say said 17.see saw 18.put put 19.eat ate 20.take took 21.read read
V-s/es
Do… Does… +动词原形 …?
V-ed(过去式)
Did…
改否定句的方法: 以此类推 ①首先看有无be动词,如果有,在be 动 词后面加not. ②如果没有be 动词,看原句的动词形式 来决定借用助动词do/does/did,并在后面 加not,并且行为动词要还原。
主语+don’t/doesn’t/didn’t+动词原形
大多数单词 +s 以辅音y结 变y为i 尾的单词 加es
以s,ch,sh +es 或者 x结尾 的单词
talk----talks look---looks fly—flies(元音 +y直接加s) miss--- misses watch--watches wash----washes fix---fixes
now…these days, right 1 现在进行时 now, Look,Listen.at Present,at the moment
yesterday, last week, --ago, the other day, 2 一般过去时 in+年, just now ,When
一般现在时:表示现在的状态或经常、 习惯性的动作:
动词-ing形式的构成: 一般在动词原形后 go +ing ask write 以不发音的e结尾 的,去e,+ing take 以辅音+元音+辅音 get 字母结尾的,双写 run 这一字母+ing swim
going asking writing taking getting running swimming
经常
• We sometimes play basketball after school
有时
Lily
Lucy
现在进行时
表示现在说话瞬间正在进行的动作。
She is reading in the reading room now. We are working on a farm these days.
1. 写出下列动词的过去式
/
2. go _______ went 4. swim _______ swam had 6. have _______ 8. draw _______ drew rained 10. rain _______ 12. lose _______ lost 14. walk walked _______ ate 16. eat _______ 18. are _______ were
一、写出下列动词的第三人称单数形式
1. work__________ read__________ 2.clean_________ write__________ 3. teach__________ wash__________ 4.guess________ watch__________ 5.. go_________ do___________ 6. study__________ fly__________ 7.cry__________ play__________ 8. have__________
1、Lucy did her homework at home.(改否 定句)didn’t do
Lucy ______ ______ her homework at home.
2、He found some meat in the fridge.(变一 般疑问句 ) find any Did _____ he ______ _____ meat in the fridge? 3、There was some orange in the cup.(变一 般疑问句 ) Was any _____ there _____ orange in the cup?
He’s twelve. I am a student.
• Tom always gets presents on his birthday.
总是
通常
• They usually go to school at seven o`clcok • My mother often watches TV on the computer.
一、写出下列动词第三人称单数形式 1. work works read reads 2. clean cleans write writes 3. teach teaches wash washes 4. guess guesses watch watches 5.. go goes do does 6. study studies fly flies 7.cry cries play plays 8. have has
表格对比学习
对比 时态 现在进 行时 一般现 在时 动词形式 否定句 一般问句
be+v-ing 在be 后 Be提到句 (现在分词) 加上not 首 在实义v.前借 Do,Does 提 V -原形 do ,does后加 句首,+动 V-三人单 not,动词还原 原 在实义 v. 前借用 Did 提到句 一般过 V-ed did后加not,+ 首,实义 去时 (过去式) 动原 动词还原
句 型 变 化 操 练
1. He is a teacher. 先(一般疑问句) Is he a teacher? 再(否定句) He isn’t a teacher. 2. Kangkang comes from China. Does Kangkang come from China? Kangkang doesn’t come from China. 3. I usually take the bus to work. Do you usually take the bus to work?
eat
drank
drove
ate
buy
bought
动词不规则变化 am, is—was go—went have—had take—took eat—ate get—got sleep—slept write—wrote are—were do—did come—came say—said see—saw put—put give—gave /red/ read—read
Complete the sentences. 一般现在时 王先生是我们的英语老师。 is 1.Mr Wang _______ (be) our English teacher. is not/isn’t ( not be) our 2.Mr Wang ___________ English teacher. Is 3.______ (be)Mr Wang our English teacher? he ______ is . 4.Yes,______ No,_______ ______ he isn’t.
4.They are having classes. Are they having classes?
改一般疑问句的方法: ①首先看有无be动词,如果有,将be提到句 首并大写,句末打问号.
②如果没有be动词,看原句的动词形式来决 定借用助动词do/does/did,并且行为动词要还 原。
V-原形
study carry
studied carried
不规则动词表 原形 过去式
am is was
原形 catch come
过去式 caught camearebe源自inwerebegan
do
draw
did
drew
break
bring build
broke
brought built
drink
drive
/
1. stay _______ stayed visited 3. visit _______ 5. study studied _______ flew 7. fly ________ did 9. do ________ 11. help _______ helped made 13. make _______ decided 15. decide _______ 17. am/is ________ was
动词过去式转换练习
将下列动词变为过去式
1. look 4. carry 7. call 10.are 13.do 16.say 19.eat
2. live 5. hope 8. finish 11.go 14.get 17.see 20.take
3. stop 6. think 9. want 12.have e 18.put 21.read
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规则动词 动词过去式 的构成
不规则动词
规则动词过去式的构成 例词 构成规则 一般在动词末尾加– ed 结尾是 e 的动词加 -- d 辅音字母+元音+辅 音 ,双写 最后的 辅音,再加—ed 结尾是“辅音+y”的动 词,变“y”为“i”再 加—ed look looked play played live lived hope hoped stop stopped plan planned
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