小学英语一般过去时讲解及练习.doc

.一般过去时一、概念：表示在过去某个时间里所发生的动作或存在的状态。通常在句子里找到表示过去时间的词或词组。如：yesterday，yesterday morning/ evening，the day before yesterday（前天），last night/week/ month/year，just now（刚才），two days ago，a week ago，in 1990等。如：I went to bed at eleven last night. 昨晚我11：00睡觉。二、动词一般过去时变化规则1一般在动词末尾加-ed，如：pull-pulled, cook-cooked, play- played2结尾是e加d，如：taste-tasted3末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped，plan-planned, prefer-preferred4以“辅音字母+y”结尾的，变y为i，再加-ed，如：study-studied三、句式变化(1) Be动词在一般过去时中的变化 am 和is在一般过去时中变为was。（was not=wasnt） are在一般过去时中变为were。（were not=werent） 带有was或were的句子，其否定、疑问的变化和is, am, are一样，即否定句在was或were后加not，一般疑问句把was或were调到句首。(2)句中没有be动词的一般过去时的句子Jim does homework every day. Jim did homework yesterday.否定句： Jim did homework yesterday.Jim didnt do homework yesterday. (didnt +动词原形)一般疑问句： Jim did homework yesterday.Did Jim do homework yesterday? (在句首加did，句子中的动词过去式变回原形)特殊疑问句： Jim did homework yesterday.Did Jim do homework yesterday?What did Jim do yesterday? (疑问词+一般疑问句？)一般过去式练习题：一、写出下列动词的过去式或动词原形。1. 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 _二、 用单词的适当形式填空。1. _ 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. 10. I _ (wash) clothes last weekend. 11. What did you you do on your holiday? I _ (go) swimming. 三、 选择正确的答案。1. 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 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 11. What _ to trees in the different season?A. happen B. happens C. happened 12. Last summer. I _ in the lake and played on the beach. A. swim B. swam C. will swim 13. Did you eat good