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小学英语 一般过去时态专题,（一）一般过去时的用法,1. 通常表示过去发生的而现在已经结束的事件、动作或情况。 Eg. Sam phoned a moment ago. I got up at eight this morning. 2. 还可以表示刚刚发生的事情而没说明时间。 Eg. Did the telephone ring? Who left the door open? 3. 也可以表示过去的习惯性动作。 Eg. I smoked 40 cigarettes a day till I gave up.,（二） 一般过去时的构成：,1. 有be的句子 am/iswas arewere eg.肯定句：He was a cook 2 years ago. They were at school yesterday. 否定句：He was not a cook 2 years ago. They were not at school yesterday. 一般疑问句：Was he a cook 2 years ago? Yes, he was. No, he wasnt. Were they at school yesterday? Yes, they were. No, they werent.,2. 行为动词的一般过去式。 A. 规则动词的变化规则： （1）一般动词直接加-ed （2）以e结尾的动词直接加-d （3）以辅音字母加y结尾的变y为i再加ed （4）以重读闭音节结尾，词尾只有一个辅音字母，双写最后这个辅音字母，再加ed,B. 规则动词过去式的发音： 在清辅音后读/t/，在元音和浊辅音后读/d/，在辅音/t/,/d/后读 /id/。 C. 不规则动词变化需参看不规则动词表逐一熟记。(一般和过去分词一起记忆)。 D. 基本句式：,常用时间,常与一般过去时态连用的时间有：,yesterday yesterday morning (afternoon, evening) last night (week, month, year) two days ago, a week ago, three years ago in 1990, (in 1998),（三）典型例题,- Your phone number again? I _ quite catch it. - Its 69568442. A. didnt B. couldnt C. dont D. cant 答案A. 本句虽没有明确的时间状语，但从语意上看出，在听的时候没有听懂这个动作发生在过去，因此应用过去时。,PRACTISE,改写句子： 1、Lucy did her homework at home.（改否定句） Lucy _ _ her homework at home. 2、He found some meat in the fridge.（变一般疑问句) _ he _ _ meat in the fridge? 3、She stayed there for a week.（对划线部分提问） _ _ _ she _ there? 4、There was some orange in the cup.（变一般疑问句) _ there _ orange in the cup?,didnt do Did find any How long did stay Was any,Thats great,（四）课堂练习,一. 单选。 1. He usually goes to school by bus, but yesterday he a taxi. A. takes B. took C. gets on D. got on 2. I some books about Amerian history from our library last week. A. borrowed B. took C. brought D. lent 3. It was warm, so I my coat. A. put on B. put up C. took off D. take off,4. The window was open and a bird into my room. A. flies B. flys C. flyed D. flew 5. Both my parents born in Tianjin and I born in Shanghai. A. are, am B. was, were C. were, was D. did, did,句型转换,1. Xiao Lin went fishing this morning.（改为一般疑问句） 2. We visited our teacher last night.（就划线部分提问） 3. He had lunch at school.（改为否定句） 4. There was some milk in the bottle. （就划线部分提问） 5. He went to that city with his uncle. （改为一般疑问句）,不规则动词表,Infinitive Past tense am is was are were begin begun break broke bring brought build built buy bought can could,Infinitive Past tense catch caught come came do did draw drew drink drank drive drove eat ate fall fell,want - wanted askasked visitvisited turnturned climbclimbed jumpjumped snowsnowed,想要 问 参观 变 爬 跳 下雪,live - lived agreeagreed havehad dodid spendspent singsang givegave,居住 同意 有 做 花费 唱 给,telltold comecame saysaid swimswam find found go - went become-became,告诉 来 说 游泳 发现 去 成为,同学们 再见,同学们,来学校和回家的路上要注意安全,同学们,来学校和回家的路上要注意安全,
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