初一下英语一般过去时知识讲解

初一下英语一般过去时第四讲：一般过去时一、定义：表示过去某个时间里发生的动作或存在的状态，也表示过去经常或反复发生的动作。

1.表示过去某个时间里发生的动作或存在的状态：e.g. He was twelve last year.She was at work.2.表过去经常或反复发生的动作：e.g. She often came to help us in those days.Mrs. Peter always carried an umbrella..二、常与一般过去时连用的词：1. 时间状语ago（two hours ago（一段时间+ago）yesterday（morning,afternoon,evening）the day before yesterdaylast week,last(year,night,month…)具体时间（如Jan.fourth)just nowat the age of 10(过去时间段)one daylong agoonce upon a timethis morning(afternoon, evening)long long ago（很久以前）the other day（前几天）at the moment三、一般过去时的构成1、系动词be的一般过去时构成：主语 + be（was, were） + 其他主语是”I”时 ----- was主语为单数时 ----- was主语为复数及you时 ----- were否定句的构成: 主语 + be + not + 其他was not = was n’twere not = were n’t【活学活用】填入适当的be动词。

1、Kitty_____an English girl.2._________ (be) it cold in your city yesterday?3、I_____not from Taizhou.4. It ________ (be) hot yesterday and most children _______ (be) outside.5、She_____tall.6. How many people ________ (be) there in your class last term?7. There ________ (be) a football match on TV yesterday evening.8. I__________(be) tired yesterday.9.I _______ at school just now.10.He ________ at the camp last week.11.We ________ students two years ago.12.They ________ on the farm a moment ago.13.Yang Ling ________ eleven years old last year.14.There ________ an apple on the plate yesterday.15.There ________ some milk in the fridge on Sunday.2、情态动词的一般过去时构成：主语 + 情态动词 + 动词原形+其他She had to do her homework yesterday.注意：情态动词后的动词一定要用原形，而且只能是情态动词的过去式。

They should(应该) be right.否定句的构成：主语 + 情态动词 + not + 动词原形 + 其他could not = couldn’tmust not = mustn’twould not = wouldn’tshould not = shouldn’tmight not = might nothad not to = hadn’t to【活学活用】填入适当的词。

1. She________(could not) speak English last year.2. You________(must not) open the door last night.3. They________(should not) be right at that moment.4. She said she________(would not) go to Japan.3、行为动词的一般现在时构成：主语 + 行为动词 + 其他These boys liked playing football.The girl read English every morning in 1998.加ed方法：1．直接加ed：work—— worked look——looked2．以不发音e结尾的单词，直接加d：live ——lived hope——hoped use——used3. 以辅音字母+y结尾的，变y为i加ed：study—— studied carry——carried worry——worried 26个字母中除A E I O U五个元音字母外，其余21个都是辅音字母4.以元音字母+y结尾的，直接加ed：enjoy ——enjoyed play——played5. 以重读闭音节结尾的，双写最后的辅音字母+ed：stop—— stopped plan——planned不规则变化的动词过去式：have---had are---were get---got say---said feel---felt do/does---did is---was go---wentdrink--drank eat--ate bring----brought think----thought buy----bought catch---- caught teach ---- taught sit----sat wear----wore cut----cut sweep----swept sleep----slept become----became【活学活用】一、写出下例单词的过去式is\am_________ fly_______ plant________ are ________ drink_________play_______ go________ make ________ does_________ dance________worry________ ask _____ taste_________ eat__________ draw________put ______ throw________ kick_________ pass_______ do ________二、完成句子1.Tom and Mary ___________ (come) to China last month.2.2.Mary __________ (read) English yesterday morning.3.3.I ___________ (call) Mike this morning.4.4.I listened but ___________ (hear) nothing.5.5.Tom ___________ (begin) to learn Chinese last year.st week we _________ (pick) many apples on the farm.7.7.What __________ (make) him cry (哭) just now?st year the teacher ___________ (tell) us that the earth moves around the sun.9.Eli ____________ to Japan last week. ( move)10. He ate some bread and _________ (drink) some milk.4. 否定句的构成: 主语 + 助动词（did）+not +行为动词原形 + 其他These boys didn’t（did not） like playing football.The girl didn’t （did not）read English every morning last year.注意：didn’t之后动词一定要用原形【活学活用】一、将下面句子改成否定句1.I had a word with Julia this morning.________________________________________________2.Li Ming studied English this morning.________________________________________________3.There was an apple on the table last night.________________________________________________4. I got up very early this morning.________________________________________________5.The police stopped me on my way home last night.________________________________________________6. They gave the concert last night.________________________________________________二、按照要求改写句子1. Mike _________________(not go) to bed until 12 o’clock last night. So she _______ (get ) up late.2. He __________ (not find ) his key last night.3. Her mother __________ (not give) the girl any present one her birthday.4. Last week, I _________( not buy) a new bike, I _______(buy) a new kite instead.5. 一般疑问句含be动词或情态动词的一般疑问句Were you a student ？be动词主语其它Yes，I was. No，I wasn’t.be + 主语 + 其它部分？肯定回答：Yes，主语+be否定回答：No，主语+be+not注意：在回答时，主语要用相应的代词代替Could you speak English last year?情态动词主语动词原形其他部分Yes，I could. No，I couldn’t.情态动词 + 主语 + 动词原形 + 其它部分？肯定回答：Yes，主语+情态动词否定回答：No，主语+情态动词+not注意：在回答时，主语要用相应的代词代替含be或情态动词一般疑问句的改写秘诀：一调二改三问号一调：即把句中的be或情态动词调到主语前；二改：改换主语称谓，即将句中的主语I my mine we our ours等第一人称分别改为相应的第二人称 you your yours等；三问号：句末的句号改为问号【活学活用】将下例句子改成一般疑问句1.I was an English teacher ._________________________________________2. He was happy yesterday._________________________________________3. They were glad to see each other last year._________________________________________4. I should sweep the floor a moment ago._________________________________________行为动词一般疑问句的构成问句： Did your parents go to school yesterday？肯答： Yes，they did.否答： No，they didn’t.肯定回答用“Yes, 主语+ did.”否定回答用“No, 主语+didn’t(did not).”特别注意：对于行为动词的一般疑问句一定要注意动词的还原，因为时态与数的变化已经体现在助动词上了。