一般过去时的讲解 课件

这是一份一般过去时的讲解 课件，共34页。PPT课件主要包含了Grammar，动词过去式的变化，我去年11岁，他昨天在上海，他现在在北京，我今年12岁，was，他们今天在中国，他们昨天在日本，are等内容，欢迎下载使用。
1. 表示过去某个时间发生的动作或存在的状态。2. 表示过去经常或反复发生的动作。
yesterday mrning/afternnlast night/week/year/Sunday/in 1990 tw years/weeks ag
1. 动词be的变化：
2. 助动词d的变化： d→ did (在过去时里助动词d没有 人称和数的变化) 如：Did yu play sccer yesterday? Did he play sccer yesterday?
3. 实义动词的变化： 实义动词分规则变化和不规则变化。 规则变化有以下几种： (1) 一般情况下在动词后加-ed。 e.g. play—played visit—visited 　 walk—walked clean—cleaned
(2) 以不发音的e结尾的词，在词尾 加-d。 e.g. live—lived like—liked 　 dance—danced 　 hpe—hped
(3) 以一个元音加一个辅音字母结尾的 重读闭音节结尾的单词，要先双写 这个辅音字母，再加-ed。 e.g. stp—stpped 　 drp—drpped 　 plan—planned
(4) 以辅音字母加y结尾的单词，先改y 为i，再加-ed。 e.g. study—studied 　 carry—carried 不规则变化需要按一定的规律逐个 记忆。
规则动词词-ed的读音清念 /t/ ,元浊/d/ ; /t/ /d/ 之后念/id/
1、清念 /t/ ，即 ed 在清辅音后面念 /t/ ,例：finished helped passed cked2.元浊 /d/ ,即 ed 在元音，浊辅音后面/d/ 例：brrwed enjyed called mved 3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/例：wanted shuted needed cunted
◆不规则变化(需逐个记忆)： d — did cme — came g — went sit — sat have — had can — culd take — tk give — gave put— put get — gt 　 swim — swam 　eat — ate tell— tld sleep — slept see — saw wear — wre lie — lay drink — drank find — fund write — wrte can — culd will — wuld sing — sang read — read
d — did 　　　 g — went 　read — read　　 see — saw get — gt　　　 sit — sat 　　　　 have/has — had 　 am/is — was
在本单元中出现的不规则动词有以下几个：
III. 写出下列单词的过去式 talk milk am /is are g ride feed take d see
talked was went fed did
milked were rde tk saw
I ___ 12 years ld this year.
I ____ 11 years ld last year.
He ____ in Beijing nw.
He ____ in Shanghai yesterday.
Please lk at the sentences
They ____ in China tday.
They ____ in Japan yesterday.
每天，早餐我吃鸡蛋和牛奶。
I ____ eggs and milk fr breakfast every mrning.
I ____ ndles fr breakfast yesterday mrning.
He _____ fruit every day.
He _____ 3 apples yesterday.
I get up at 6:30 every mrning.I ___ up at 9:00 last Sunday.
He plays ftball every afternn.He _____ basketball yesterday afternn.
He des his hmewrk every evening.He ____ sme reading last night.
动词原形、第三人称单数
They dn’t watch TV in the evening.They _________ TV last night.
She desn’t play basketball after schl.She _________ basketball after schl yesterday.
D yu g t schl n ft every day?___ yu __ t schl n ftyesterday.
Des he g t schl by bus every day?___ he ___t schl by bus yesterday?
dn’t/ desn’t
didn’t watch
didn’t play
◆一般现在时:句中be动词用am/is/are, 实义 动词用三单或原形,表示现在的状态或 现在经常反复发生的动作和行为。★时标:always usually ften smetimes never every day n Sundays◆现在进行时:句中动词用am/is/are +ding 形式,表示现在正在进行的动作。★时标: nw at the mment listen lk d sth. at+具体时刻 It’s+具体时刻
◆一般过去时:句中be动词用was/were,实义动 词用动词过去式,表示过去某个时间发生的 动作或存在的状态也可表示过去反复出现 的动作(与频度副词usually, ften等连用) I was nine years ld in 2008. (过去某时间的状态) I went t Shanghai last year. (过去某时间发生的动作) I ften did my hmewrk at schl. (过去反复出现的动作)
我天天打篮球。我正在打篮球。我昨天打篮球。
I every day.I nw.I yesterday.
play basketball
am playing basketball
played basketball
★时标: (汉语翻译时常用“…了”)① yesterday (昨天) ② yesterday mrning / afternn / evening (昨天早上 / 下午 / 晚上)③ last night (昨晚) = yesterday evening ④ last year / mnth / week (去年 / 上个月 / 上星期)⑤ the day befre yesterday (前天)⑥ in+过去的年份或月份 (在…年/在…月) ⑦ 时间段+ag (…以前) ⑧ just nw (刚才) at that time=then (在那时)⑨ when + 过去时句子 (一般过去时时间状从)
含be动词的过去时句式
①肯定句 主语 + was / were + 表语.②否定句 主语 + was / were nt + 表语. (wasn’t/ weren’t)③一般疑问句 Was / Were + 主语 + 表语? 肯定回答 Yes, 代词 + was / were. 否定回答 N, 代词 + wasn’t / weren’t. I ____ a teacher last year. I _______ a teacher last year. ______ yu a teacher last year? Yes, I _____. / N, I _______.
①肯定句 主语+动词过去式+宾语. I _______(watch) TV last night.②否定句 主语+didn’t+动词原形+宾语. I ____________(nt watch) TV last night.③一般疑问句 Did+主语+动词原形+宾语? 肯定回答 Yes, 代词+did. 否定回答 N, 代词+didn’t. _____ yu ______(watch) TV last night? Yes, I _____. / N, I ______.④特殊疑问句 特殊疑问词+did+主语+动原? What _____ yu _____(d) last night?
含实义动词的过去时句式
Did watch
did d
动词一般过去时，表示过去发生事；be用was或用were, have, has变had；谓语动词过去式，过去时间作标志；一般动词加-ed，若是特殊得硬记。否定句很简单，主语之后didn’t添；疑问句也不难，did放在主语前；如果谓语之前有did，谓语动词需还原；动词若是was,were,否定就把nt添。
1.He visited his friends last tk sme phts tw days went fr a walk yesterday.4.I studied in Beijing in played sccer yesterday mrning.
1.He visited his friends last night..否定句He didn’t visit his friends last night.疑问句：Did he visit his friends last night?肯定回答：Yes, he did.否定回答：N, he didn’t.对划线提问：What did he d last night?对划线提问：When did he visit his friends?
1.I_______ ( play) sccer yesterday. 否定句： 疑问句： 肯定回答： 否定回答： 对划线提问: ： 对划线提问：
I didn’t play sccer yesterday.
Did yu play sccer yesterday?
Yes, I did.
N, I didn’t.
What did yu d yesyerday?
When did yu play sccer?
2.Tm tk sme phts tw days ag.否定句:疑问句：肯定回答：否定回答:划线提问：划线提问：
Tm didn’t take any phts tw days ag.
Did Tm take any phts tw days ag?
Yes, he did.
N, he didn’t.
What did Tm d tw days ag?
When did Tm take any phts?
3.We______(g) fr a walk (study) in Beijing in 1999.
We didn’t g fr a walk yesterday.
Did yu g fr a walk yesterday?
Yes, we did.
N, we didn’t.
What did yu d yesterday?
When did yu g fr a walk?
1. Hw ___ yur schl trip? It was great.2. Hw _____ yu yesterday?3. Tday is Mnday. Yesterday ___ Sunday.4. What ___ yu d the day befre yesterday?____ yu ride a hrse last week?
根据句意，用括号内所给词的适当形式填空。1. What did the ______ (farm) say? 2. Carl _____ (pick) sme strawberries and _____ (take) them hme.3. I ______ (visit) my grandparents in the cuntryside. 4. I _______ (watch) the stars at night.5. ____ (d) Carl take any phts?
6. ____ he see any cws n the farm? Yes, he did.7. Did he milk a cw n the farm? N, he ______.8. Were the strawberries gd? Yes, they _______.9. Did yu see any cws? Yes, I did. I ___ quite a lt.10. I ___ the chickens last week.
1. She ften ____ (g) t the park n weekends, but yesterday she ____ (g) t the z.2. Last week she ___ (have) fun n a farm.3. What ___ they __ (d) n the schl trip? They ____ (ride) hrses and _______ (climb) the muntains.
did d
rde climbed