7B Unit5 Amazing things Grammar课件

课件29张PPT。Unit 5 Amazing thingsGrammarSimple past tense (一般过去时)We use the simple past tense to talk about things in the past.一、什么情况下使用一般过去时?用 法1、表示过去某个时间发生的动作或存在的状态。
1. He was here yesterday.
2. I got up at six thirty yesterday morning.
3. My father was at work yesterday afternoon.
4.Did you have a good time last summer?2、表示过去经常或反复发生的动作。
My father often went to work by bus last year.
When I was a child, I often listened to music.二、规则动词过去式的构成方法提示: 以元音字母+y结尾的动词
按第一条规则，即：+ed,
如: stay —stayedwant— talk —
like — worry —
try — stop — wanted talked liked worried tried stopped 写出下列动词的过去式。1. 以清辅音结尾的单词发/t/
danced helped
talked shopped
2. 以元音,浊辅音结尾的发/d/
played lived
answered carried
3. 以[t]、 [d]音结尾的发 [id]
hated needed
visited shouted规则动词过去式词尾-ed的读音三、不规则动词的过去式不是加ed 构成的, 需要我们记住它们。不规则动词的过去式归纳起来有这样几种类型(见下表)：Infinitive Past tense
am is was
are were
begin began
break broke
bring brought
build built
buy bought
can couldInfinitive Past tense
catch caught
come came
do did
draw drew
drink drank
drive drove
eat ate
fall fell不规则动词表 start ______
love _________
play ______
plan ______9. leave _____
10. tell _____
11. stand _____
12. bring ______5. reply _____
6. say ________
7. meet _____
8. hear ______startedplayedlovedplannedsaidrepliedleftmetstoodtoldheardbroughtPracticeMillie wants to practise using the simple
past tense. Help her write the simple
past tense of the verbs below.am/is _____ are______cost_____ put_____ write_____know______
make____ spend_____see ______ buy________go_____get_____
give_____ find______have/has___
tell_____take______do______
read______eat_____lay_____记住下列这些动词的过去式waswerecostputwroteknewmadespentsawboughtwentgotgavefoundhadtoldtookdidreadatelaid在下列情况下使用一般过去时1. 句中有”介词+表示过去时间的数词或名词”, 如in 1968, on March 1st,1980等
e.g. There (be) only one school in our country in 1984.
You (be) born on March 3rd, 1982.
2. 句中有表示过去时间的副词yesterday,或由yesterday构成的短语
E.g. He (go) to Shanghai with his friends yesterday.waswerewent They (invite) me to their birthday party yesterday evening.
3. 句中有”时间段+ago”构成的短语, 如five days ago, two minutes ago等
E.g. I (come) here two years ago.
My mother (call) me one minute ago.
4. 句中有”last+表示时间的名词”构成的短语, 如last year, last month等
We (visit) the Great Wall last Sunday.
invitedcamecalledvisited5. 句中有其他表示过去的词语或者短语,如once(从前), at that time, just now等.
E.g. Your friends (phone) to say hello to you just now.
6. 问句用过去时,答句也用一般过去时.
7. 两个或两个以上的动词用and来连接,如果前一个是过去时,那么后面的动词也要用一般过去时.phonedThe students visited the Fun World Museum. Here is Millie’s diary entry. Help her complete it with the simple past tense of the verbs in brackets.This morning, we _____ (go) to the Fun World Museum. When we ____ (get) to the museum, there _____ (be) a lot of people there. We _____ (spend) three hours in the museum. I ____ (take) a lot of photos. Some of us _______ (buy) cards of the animals there. We _____ (come) back to school at 1 p.m. We ____ (have) a great time!wentwerespenttookboughtcamehadgotDaniel did not go to the Fun World Museum. Millie is telling him about the visit. Help Millie complete the conversation.Millie: We _____ (go) to the Fun World Museum
the day before yesterday, Daniel. It ____
(be) so interesting!
Daniel: Really? Tell me all about it.
Millie: OK. We ____ (see) a small monkey, only
11 centimetres tall.
Daniel: That’s amazing! What else?
Millie: We also _____ (learn) about some
strange birds like dodos. They _____ (live)
on the earth a long time ago.
Daniel: That’s cool!wentsawwaslearntlived句式转换They heard a whisper.
改为否定句：
改为一般疑问句：
作肯定回答：
作否定回答：
对划线部分提问：They didn’t hear a whisper.Did they hear a whisper?Yes,they did.No,they didn’t.What did they hear?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? didn’t do
Did find any

How long did stay
Was any改写句子。1. He did his homework at that time.
He didn’t do his homework at that time.
Did he do his homework yesterday?
Yes ,he did/ No ,he didn’t
3.She spent two hours doing her homework yesterday.
She didn’t spend two hours doing her homework yesterday.
Did she spend two hours doing her homework yesterday?
Yes, she did. /No, she didn’t.
1. The story book (cost) him ten yuan two days ago.
2. The big noise (make) the little baby cry just now.
3. My mother with her workmates
(see) a play yesterday.
4. his grandfather (die) in 1991.
5. She (stay) at home and (do) some cleaning last Sunday.
costmadesawdiedstayeddid巧记动词过去时态动词一般过去时，表示过去发生的事；
be用was或用were, have, has变had；
谓语动词过去式，过去时间做标志；
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；
谓语之前有did，谓语动词需还原；
动词若是was, were, 否定就把not添。chat--- shop---
go--- like---
talk--- cry---
play--- invite---
sleep--- stay---
sound--- show---
happen--- turn---
put--- die---
rob--- start---
spend--- catch--- chattedshoppedwentlikedtalkedcriedplayedinvitedsleptstayedsoundedshowedhappenedturnedputdiedrobbedstartedspentcaught1. He did his homework at that time.(否
和一般疑问句）
He didn’t do his homework at that time.
Did he do his homework yesterday?
2. There was a talk on the topic last week.（否定和一般疑问句）
There wasn’t a talk on the topic last week.
Was there a talk on the topic last week?
Yes, there was. /No, there wasn’t.
句式转换1. The story book (cost) him ten yuan two days ago.
2. The big noise (make) the little baby cry just now.
3. My mother with her workmates
(see) a play yesterday.
4. his grandfather (die) in 1991.
5. She (stay) at home and (do) some cleaning last Sunday.
6. How (be) Jim’ weekend?
It (be not) bad.
costmadesawdiedstayeddidwaswasn’t练习:用词的适当形式填空.7. We (organize) a class trip the day before yesterday.
8. They (shout) to me “Don’t pick flowers!” at present.
9. I (be not) a teacher two years ago.
10. The twins (not do) their homework just now.
11. She (be not) at home yesterday morning.
12. The train (go) through the tunnel two minutes ago.organizedshoutedwasn’tdidn’t dowasn’twent