初中被动语态课件上课讲义

He plays basketball every week.
Basketball is played by him every week.
My mother sweeps the floor every day. The floor is swept by my mother every day.
七嘴八舌
(变被动语态）
1.People use knives for cutting things.
jacket
keeping warm Guangzhou
The jacket is used for keeping warm. The jacket is made in Guangzhou.
knives cutting things Zhengzhou
summary
英语中动词有主动语态和被动语态 两种语态主动语态表示主语是动作的 执行者,被动语态表示主语是动作的承 受者, 在被动语态中动作的执行者有时 用by短语表示出来.
Ask and answer
water every day at home my grandma
A: When are the flowers watered? B: The flowers are watered every day. A: Where are the flowers watered? B: The flowers are watered at home. A: Who are the flowers watered by? B: The flowers are watered by my grandma. A: Are the flowers watered by my grandma at home every day? B: yes, they are.
We should clean the classroom every day. The classroom should be cleaned by us every day.
Our students mustn’t smoke cigarettes.
Cigarettes mustn’t be smoked by our students.
情态动词(model verb)：
S+ can/must/should等情态动词 + be+过去分词
He can carry the basket. The basket can be carried by him.
They can sing some beautiful songs. Some beautiful songs can be sung by them.
When
where who
sweep on weekends in the kitchen my mother
do after school in the classroom the children
build long long ago in Beijing Chinese people
buy last week in Ningbo Mary
初中被动语态课件
For example water watered watered
use
used
used
stop
stopped stopped
study do
studied studied
did
done
ride
rode
ridden
Let’s have a try.
clean
smoke find
make
The students planted many trees yesterday. Many trees were planted by the students yesterday.
Ann can take good care of the cats ．
The cats can be taken good care of by Ann.
invent
What does she do every day?
She waters the flowers every day.
The flowers are watered by her every day.
They do their homework after school.
Their homework is done by them after school.
invent
Thomas Edison invented the light. The light was invented by Thomas Edison .
Jim rode the motorbike to his factory yesterday.
The motorbike was ridden to his factory yesterday.
They had an evening party last week. An evening party was had last week.
Chinese people built the Great Wall many years ago.
The Great Wall was built by Chinese people many years ago.
build sweep take
buy have sing tell give
finish plant found
made built
swept took bought had sang told gave
play carry found
made built
swept taken bought had sung told given
一般现在时(simple present)： S(主语)+am/is/are +过去分词(done)
一般过去时(simple past)： S+was/were +过去分词(done)
2. I bought a computer last term． A computer was bought (by me) last term.