过去式,1、yesterday, last week/year/month the day before yesterday, just now等 2、two years ago at that time before等 3、in +过去年份,表示过去 时间内发生的,标志词,过去式的句子结构,1、一般动词在后面直接加-ed,played looked cooked picked watched walked worked started listened needed called invited,2、以e结尾的动词只加-d,liked loved danced lived moved,3、辅音字母加y结尾，把y改成i，在加-ed,study-studied carry-carried,stay-staied play-plaied say-saied,下面的动词过去式变化对吗？,stayed played said,4、以重读闭音节结尾的动词，末尾只有 一个辅音字母，双写这个辅音字母再加-ed。,stop-stopped shop-shopped,5、不规则动词变化,am is -was are-were begin -began do-did go-went say-said have/has-had come-came see-saw read-read feel-felt write-wrote,写出下列动词的过去式或动词原形。 go_ 2. is_ 3.buy_ 4.swim_ 5. have _ 6. watched _ 7. ate_ 8. got_ 9. lived _ 10. saw _ 11. spend _ 12. talk _ 13. do _ 14. teach _ 15. win _ 16. like _ 17. write _ 18. cry _ 19. study _ 20. ask _ e _,用单词的适当形式填空。 _ you _(water) the flowers yesterday？ 2. Su Hai _(go) for a walk last Sunday. 3. Mike didnt _(finish) his homework yesterday. 4. I _ (pick) apples on the tree last month. 5. I _(is) ten years old last year. On that day, I _(blow) the candles out. 6. There _(are) five books on the desk a moment ago. 7. They _(sweep) the floor just now. 8. I _ (meet) Miss White the day before yesterday. 9. I _ (wash) clothes last weekend. 10. What did you do on your holiday? I _ (go) swimming.,yesterday,last Sunday,yesterday,last month,last year,on that day,a moment ago,just now,the day before yesterday,last weekend,did,I _ presents for my parents yesterday. A. buyed B. bought C. buying 2. Susan _ swimming yesterday. A. go B. goes C. went 3. Danny _ breakfast five times last week. A. eat B. ate C. eated 4. Last Sunday_ Tree Planting Day. A. is B. were C. was 5. I _ a lot from our textbook. A. learned B. learnes C. learning,B,C,B,C,A,yesterday,yesterday,last week,Last Sunday,6. We _ to the zoo and _a lot of animals yesterday. A. go; see B. went; saw C. goes; sees 7. What did you do last weekend ? -I _ A. read a book B. wash the clothes C. go fishing 8. What did you do on your holiday? I _ A. bought a present B. go skiing C. learn English 9. What did he _ yesterday? He _ his homework. A. did; did B. do; did C. do; do 10. Yesterday my presents and I _ our house. A. were cleaning B. cleaned C. are going to clean,B,A,A,B,B,yesterday,last weekend,did,yesterday,Yesterday,