Unit 4 Billy’s adventures Lesson 26 课件

课件15张PPT。UNIT 4 LESSON 26
Billy Went to Visit His Friend
--一般现在时和一般过去式Find the differences 一般现在时和一般过去时
句型结构的异与同含有be动词的句型一般现在时表示某人某物现在的状态，性质等．eg:
I am a teacher now.
She(He) is a singer.
We
They are happy.
You含有be动词的句型一般过去时表示过去时间内某人某物存在的状态，性质等．eg:
I was a teacher last year.
She(He) was a singer.
We
You were happy.
TheyEx:1.She___ (be) our English teacher.
2.Tom and Nike ___ (be)my classmates.
3.I ___ (be)a student.
4.You ___ (be)a lovely girl.
5.They ___(be) my parents.
isareamareareEx: 1.They __________ (be) farmers two years ago.
2.Mike __________ (be) a baby long long ago.
3.We __________ (be) at home last night.
werewaswere含有ＢＥ动词的句型结构一般现在时：　　 肯定式:
主语＋ＢＥ＋表语．
否定式:
主语+BE(am is are)+NOT+ 表语.
疑问式：
BE(Am Is Are)+主语
　　　　　 ＋表语？
含有ＢＥ动词的句型结构一般过去时：
　肯定式:
主语＋ＢＥ＋表语．
　否定式：
主语＋ＢＥ（was were)+NOT+表语．
　疑问式：
BE(Was Were)+主语
　　　　　＋表语？不含ＢＥ动词的句型(主语是第一，二人称及第三人称复数）一般现在时用来表示习惯性，经常性发生的动作．eg:
I go to work by bus everyday.
You watch TV everynight.
we play basketball on the weekends.
They have lessons everymoring.
主语＋动词原形＋其他．不含ＢＥ动词的句型(主语是第一，二人称及第三人称复数）一般过去时用来表示在过去的时间里发生的动作．eg: 　　　　 I went to work by bus yesterday.
You watched TV last night.
We played basketball last weekend.
They had lessons two days ago.
主语＋动词过去式＋其他．主语是第三人称单数（肯定句）He goes to work by bus everyday.
She watchesTV everynight.
LiMing plays basketball on the weekends.
It snows in every winter.
主语＋动词单三＋其他．
He went to work by bus yesterday.
She watched TV last
night.
LiMing played basketball three days ago.
It snowed in last winter.

主语＋动词过去式＋其他．
主语是第一，二人称及第三人称复数（否定句）I do not go to work by bus everyday.
you do not watch TV everynight.
we do not play basketball on the weekends.
They do not have lessons everymoring.
主语＋do＋not+动词原形 +其他
I did not go to work by bus yesterday.
you did not watch TV last night.
We did not play basketball last weekend.
They did not have lessons two days ago.
主语＋did+not+动词原形 ＋其他主语是第三人称单数（否定句）He does not go to work by bus everyday.
She does not watch TV everynight.
李明 does not play basketball on the weekends.
It does not snow in every winter.
主语＋does＋not+动词原形 +其他
He did not go to work by bus yesterday.
She did not watch TV last night.
李明 did not play basketball three days ago.
It did not snow in last winter.
主语＋did＋not+动词原形 +其他
一般现在时 　　一般过去时
肯定句 主非单三+V原形 　　　　　　　
　　　　　　　　　　+其他.　　　　　主+V 过去式+其他.
主单三 +V单三

否定句 主非单三+do　　　　　　　　
　　　　　　　+not+V原形+其他.　　主+did+not+V原形+其他.
主单三 +does
疑问句 Do+主非单三　　　　　
　　　　　　　　　+V原形+其他?　　　Did+主+V原形+其他？
　　　 Does+主单三THANKS A LOT