新目標(biāo)英語七年級一般過去時ppt課件.ppt
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1、The Simple Past Tense,一般過去時態(tài),新目標(biāo)英語七年級語法解析,一、用法: 1.表示過去某個時間發(fā)生的動作或存在的狀態(tài),常和表示過去的時間狀語連用, 如:last night, in 1990, two days ago, yesterday等。,He went to work by bus last year.,I was ten years old last year.,2.也表示過去經(jīng)?;蚍磸?fù)發(fā)生的動作,常和表示頻度的時間狀語連用。如:often, always, usually, sometimes 等。 He was often late for school l
2、ast week. He always went to work by bus last year.,二、規(guī)則動詞過去式的構(gòu)成,大多數(shù)動詞的過去式是在動詞原形后加 ed 構(gòu)成。1)一般情況下在詞尾直接加 ed.如: play played; work worked; stop stopped 2)以e結(jié)尾的動詞只加d. 如: like- liked; love loved 3) 以輔音字母+Y結(jié)尾的動詞,變y 為i,再加ed. 如: study studied; worry worried4) 以重讀閉音節(jié)結(jié)尾的動詞,如果末尾只有一 個輔音字母,要雙寫最后這個輔音字母,再 加ed. 如: wa
3、nt -wanted,三、動詞過去式ed的讀音,-ed 的讀音規(guī)則如下:清音t;濁元d;t d后面讀id.1) 在清輔音后面讀t. work worked; help helped 2) 在濁輔音或元音后讀d. learn learned 3) 在t 和d 后讀id. stop stopped,巧記動詞過去時態(tài),動詞一般過去時,表示過去發(fā)生的事;be用was或用were, have, has變had;謂語動詞過去式,過去時間作標(biāo)志;一般動詞加-ed,若是特殊得硬記。否定句很簡單,主語之后didnt添;疑問句也不難,did放在主語前;如果謂語之前有did,謂語動詞需還原;動詞若是was, wer
4、e,否定就把not添。,四、一般過去時的分類,1be 動詞的一般過去時態(tài):有人稱和數(shù)的變化(am/is 的過去式為was; are的過去式為were.)肯定句:主語+was (were) + I was late yesterday. 否定句:主語+was (were) +not+ We werent late yesterday. 疑問句:Was (Were) +主語+? Were you ill yesterday? 肯定回答:Yes, 主語+ was/were. Yes, I was.否定回答: No, 主語+wasnt/werent. No, I wasnt.特殊疑問句: 特殊疑問詞+
5、一般疑問句+? When were you born?,2實(shí)義動詞的一般過去時態(tài):沒有人稱和數(shù)的變化肯定句:主語+動詞過去式+ I went home at eight yesterday.否定句:主語+didnt +動詞原形+ I didnt go home at eight yesterday. 疑問句:Did +主語+動詞原形+? Did you go home at eight yesterday? 肯定回答:Yes, 主語+ did. Yes, I did.否定回答:No, 主語+didnt. No, I didnt.特殊疑問句: 特殊疑問詞+一般疑問句+? When did you
6、 go home yesterday?,一、按要求轉(zhuǎn)換句型:,1. Iwasatschool yesterday.否定句:一般疑問句:肯定回答:否定回答:劃線提問:,1. Iwasatschool yesterday.否定句:Iwasnt atschool yesterday.一般疑問句:Were you atschool yesterday?肯定回答:Yes, I was.否定回答:No, I wasnt.劃線提問:Where were you yesterday?,2. Theywerebankclerks tenyearsago.否定句:一般疑問句:肯定回答:否定回答:劃線提問:,2.
7、Theywerebankclerks tenyearsago.否定句:Theywerent bankclerks tenyearsago.一般疑問句:Were theybankclerks tenyearsago?肯定回答:Yes,they were.否定回答:No, they werent.劃線提問:What were they ten years ago?What did they do ten years ago?,3. He wasapoliceofficer in2003.否定句:一般疑問句:肯定回答:否定回答:劃線提問:,3. He wasapoliceman in2003.否定句
8、:He wasnt apoliceman in2003.一般疑問句:Was heapoliceman in2003?肯定回答:Yes,he was. 否定回答: No, he wasnt.劃線提問:What was he in 2003?What did he do in 2003?,4.Hewenttothemovieslastnight.否定句:一般疑問句:肯定回答:否定回答:劃線提問:,4. Hewenttothemovieslastnight.否定句:Hedidnt gotothemovieslastnight.一般疑問句:Did hegotothemovieslastnight?肯定
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