小学一般过去时教学课件(DOC 9页).doc

1、小学一般过去时教学课件小学一般过去时：1.一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作感谢。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。（werenot=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。3.句中没有be动词的一般过去时的句子否定句：didnt +动词原形，如：jim didnt go home yester

2、day. 一般疑问句：在句首加did，句子中的动词过去式变回原形。如：did jim go home yesterday 特殊疑问句：疑问词+did+主语+动词原形如： what did jim do yesterday 疑问词当主语时：疑问词+动词过去式如：whowent to home yesterday动词过去式变化规则：1）一般在动词末尾加-ed，如：pull-pulled, cook-cooked2）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-stopped4）以“辅音字母+y”结尾的，

3、变y为i，再加-ed，如：study-studied5）不规则动词过去式： am,is-was, are-were,do-did, see-saw, say-said, give-gave, get-got, go-went, come-came, have-had,eat-ate, take-took, run-ran, sing-sang, put-put, make-made, read-read,write-wrote, draw-drew, drink-drank, fly-flew, ride-rode, speak-spoke, sweep-swept,swim-swam, si

4、t-sat4.句中be动词和动词一般情况下只能有一种而且也必须有一种。如：theyvisited my parents last weekend .5.一般过去时中的be动词：一般用过去式：was werewas用于第一人称单数（i）和第三人称单数（he she it和其他人名或称谓，如：ben 、 his sister等）；were用于第二人称单数（you）和所有复数（包括第一人称复数we、第二人称复数you；第三人称复数they和其他复数，如the children 、 his parents等）。6.一般过去时中的动词：一般只有一种情况：+ed这里强调一点，和一般现在时不同的是这里不管主

5、语是第几人称，也不管是单数和复数都加ed。7.一般过去时判断依据（如何判断一个句子是一般过去时）：be动词是was、were动词加ed有表示过去的时间状语现在学过的常用的表示过去的时间状语有：just now amoment yesterday last week last night last weekend last year last month threedays ago two weeks ago.【小学一般过去时练习题】一：用所给动词的适当形式填空and mary _ (come) to china last month._(not go) to bed until 12 oclo

6、ck last night. so i _ (get ) up late._ (read) english yesterday morning._ (be) no one here a moment ago._ (call) mike this morning.listened but _ (hear) nothing._ (begin) to learn chinese last year.week we _ (pick) many apples on the farm.mother _ (not do) housework yesterday.watches tv every evenin

7、g. but she _ (not watch) tv last night.11._ your father _ ( go ) to work every day last year12. what time _ you _ (get) to beijing yesterdaywe _ (get) to beijing at 9:00 in the evening._ (make) him cry (哭) just nowyear the teacher _ (tell) us that the earth moves around the sun._ a telephone call fo

8、r you just now. (be)_ not enough people to pick apples that day. ( be)_ any hospitals (医院) in my hometown (家乡) in 1940. ( be not)_ enough milk at home last week, wasnt there_ to japan last week. ( move)20. when _ you _ (come) to china - last year.she _ (have) supper at home_ (not clean) the room jus

9、t now.23._ (be) it cold in your city yesterdaymany people _ (be) there in your class last term_ (be) hot yesterday and most children _ (be) outside.26. there _ (be) a football match on tv yesterday evening, but i _ (have) no time to watch it.27. he ate some bread and _ (drink) some milk.28. _ he _ (

10、finish) his homework last night29. i_(be) tired yesterday.30. i _(gain ) arts degree last year.31. what _ you _ (do) last night32. my grandfather _ (leave) hong kong for new york in 1998.33. what _ he _ (do) yesterday34. last week i _ (buy) a new bike.35. he _ (be) here just now.36. he _ (not find )

11、 his key last night.37. my father _ (drink) a lot of wine yesterday.38. _ you _ (finish) your homework yesterday39. i _ (eat) some eggs and bread this morning.40. her mother _ (not give) the girl any present.二、改错题1how is jane yesterday _2he go to school by bus last week. _3he often goes home at 6:00

12、 last month. _4i can fly kites seven years ago. _5 did you saw him just now. _6 tom wasnt watch tv last night. _7 i didnt my homework yesterday. _8 he wait for you three hours ago. _9 who find it just now _三、按要求变换句型。1. father bought me a new bike. （同义句）father bought _ _ _ _ me.2. frank read an inter

13、esting book about history. （一般疑问句）_ frank _ an interesting book about history3. hes cleaning his rooms. （划线提问）_ he _4. why not go out for a walk （同义句）_ _ _ out for a walk5. thomas spent rmb 10 on this book. （否定句）thomas _ _ rmb 10 on this book.6. my family went to the beach last week. （划线提问）_ _ _ fam

14、ily _ last week7. i didnt have any friends. （一般疑问句）_ _ have _ friends8. i think she is lilys sister. （否定句）_9. sally often does some reading in the morning. （否定句）sally _ often _ some reading in the morning.10. he is a tall, thin boy. （划线提问）_ _ he _ _四、句型转换they read english last night.否定句：_一般疑问句：_肯定/否定回答：_对划线部分提问：_