过去时和现在时语法

I am not或 I’m not
No,
you/we/they are not或
aren’t
happy.
he/she/it is not 或 isn’t
结构：系动词Be+主语+其他? 肯定回答：Yes,主语+be. 否定回答：No,主语+be+not.
提示：am not不能写为amn‘t，无缩写形式.
Please look at the following sentences.
我今年12岁。 I am twelve years old. 我去年11岁。 I was eleven years old last year.
他现在在家里。 He is at home now.
Please look at the following sentences. 他昨天在家里。 He was at home yesterday. 他们今天在中国。 They are in China today. 他们昨天在中国。 They were in China yesterday.
3
4 5
改变了辅音
元音和辅音都变化 其他的
Infinitive am/ is are begin become bring build buy can
Past tense was were began became brought built bought could
Infinitive catch come do draw drink eat get fly
happy源自文库
主语+系动词be+not+其他. 特别提示：am not 不能缩写为amn’t.
一般现在时be动词的 一般疑问句及其肯定回答
Am
I happy? Yes,
I
am.
you/we Are /they Is
you/ we/ are. they
he/she /it
he/she/it
is.
一般疑问句的否定回答
No, he didn’t .
一般过去时的肯定式、否定式和一般疑 问式的构成 肯定式： 主语 + 动词的过去式 + …
He cleaned his room last week.
否定式： 主语 + did + not + 动词原形 + …
He did not / didn’t clean his room last week.
一般疑问式： Did + 主语 + 动词原形 + …?
肯定回答：Yes,主语+did. 否定回答：No,主语+didn't. Did he clean his room last week? Yes, he did. / No, he didn’t.
2. We form the simple past tense by adding ‘-ed ’ to regular verbs.
写出下列动词的过去式。
want— wanted talk — talked like — liked worry — worried try — tried stop — stopped
1
2
没有变化
改变了元音
cost-cost
put-put
write-wrote know-knew
make-made spend-spent leave-left teach-taught am/is-was are-were
———
Why
———Tim late for work?
was
She
played ping-pong last Sunday. She didn't stay there for a week.
Did the boy play basketball yesterday afternoon?
用法口诀：
“我(I)”用am ,
“你(you)”用are,
“is用于“他(he)”、“她(she)”、“它(it)”,
复数人称we/you/they 都用“are”。单
数名词和不可数名词用is ,复数名词全 用are.
一般现在时be动词在
肯定句中的用法 I am 或 I’m You/We/They are或
1. A:What ___(be) his name ? B:His name ___(be) Tom. 2. A:___(be)you Mike’s classmate? B:Yes,I ___(be). 3. A:What ___(be) your brother? B:He ___(be) a doctor. 4. A:___( be) they your new classmates? B:No,they___(be not) 5.A:___(be) this your e-dog ? B:No, it __(be not)
Guide One
• 请大家在5分钟 之内相互讨论一下，看看谁能
在最短的时间内总结的又快又准。
• 1. I am a teacher. • 2. You are students.
• 3.Her hair is long.
• 4. I am not a teacher. • 5.Are you good at swimming?
一般疑问式： Was / Were + 主语 + …? Yes, 主语 + was / were. No, 主语 + was not (wasn’t) / were not (weren’t).
1. — Where were you last Saturday? — I ____ in the Capital Museum. (2012北京) A. am B. will be C. was D. have been
肯定句：Simon and Sandy are classmates. 否定句：Simon and Sandy aren’t classmates. 疑问句： Are Simon and Sandy classmates?
肯定回答： Yes, they are.
否定回答：No, they aren’t.
Past tense caught came did drew drank ate got flew
写出动词的过去式： 1.go__________ went 3.hear_________ heard could 5.can__________ replied 7.reply__________ 9.run__________ ran 11.happen________ happened 13.tell__________ told 15.look_________ looked searched 17.search________ made 19.make_________ 21.pick_________ picked
1. Paul and I ______ tennis yesterday. He did much better than I. (2011北京) A. play B. will play C. played D. are playing 2.She stayed there for a week.(划线部分
1 2 3 绝大多数动词 以e结尾的动词 +ed +d walk-walked live—lived cry—cried
以辅音字母+y结 变y为ied 尾的动词 以一个元音字母 +一个辅音字母 结尾的短动词
4
双写末 尾的辅 音字母 +ed
stop-stopped
提示: 以元音字母+y结尾的动词 按第一条规则，即：+ed, 如: stay —stayed play--played
You’re/We’re/They’re
He/She/It is 或 He’s /She’s /It’s
happy
一般现在时be动词的否定句
I am not或 I’m not You/ We / They are not
或 You / We / They aren’t
He / She / It is not 或 He / She / It isn’t
Simple past tense & Simple present tense
Teaching aims
1.Master the different forms of the verb
to be or do.
2.To compare the usage of the Simple Past
Tense and the Simple Present Tense.
提问)
_____ How _____ long ____ did she _____ stay there?
1. Mary was (be) at home yesterday. She wasn’t(be not) at school . 2. The boy is (be) in the library now. But he wasn’t (be) in the classroom just now, because he had an Chinese lesson. 3. We weren’t (be not) in Beijing last week. We were (be) at home. 4. Kitty and I weren’t (be not) happy because we didn’t have breakfast.
否定式：主语 + was not (wasn’t) / were not (weren’t) + …
1. —Were _____(Be) you late for school yesterday? — No, I wasn't ______. 2. — Was ____ (Be)he at home last week? — Yes, he ____. was
布置作业:用be的适当形式填空
变式练习
将下列肯定句变成 (1)变成否定句。 (2)一般疑问句并作肯定和否定回答; 肯定句：We are good friends. 否定句： We aren’t good friends. 疑问句： Are you good friends? 肯定回答：Yes, we are. 否定回答：No, we aren’t.
观察那几个句子，你发现了什么？
am be is are
was
were
一般过去时的用法
1.We use the simple past tense to talk about things in the past.
提示：表示过去的时间状语： just now, yesterday, yesterday morning/afternoon/evening, last night/week/month/year, in 2008, a month ago, ten years ago …


2.There was some orange juice in the cup. (一般疑问句) _____ Was there _____ any orange juice in the cup?

1.I
was very hungry when I get home. (改为一般疑问句) Were you —— —— very hungry when you get home? 2.Tim was late for work because he missed the bus.(对划线部分提问)
2.sit___________ sat turned 4.turn_________ asked 6.ask__________ 8.leave_________ left 10.see__________ saw 12.say__________ said stood 14.stand________ came 16.come________ found 18.find_________ put 20.put__________ 22.take_________ took
Simple past tense of the verb ‘to be’
was 1. I _______ (be) born in 2000. were (be) at home yesterday. 2.We _______
肯定式：主语 + was / were + …
1.She _______ wasn't (not be)at home. 2.The English and Maths papers weren't _______(not be)easy enough for me.