一般过去时(simple past)： S+was/were +过去分词(done)
For example water watered watered
use
used
used
stop
stopped stopped
study do
studied studied
did
done
ride
rode
ridden
They can sing some beautiful songs. Some beautiful songs can be sung by them.
We should clean the classroom every day. The classroom should be cleaned by us every day.
Chinese people built the Great Wall many years ago.
The Great Wall was built by Chinese people many years ago.
The students planted many trees yesterday. Many trees were planted by the students yesterday.
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.
Our students mustn’t smoke cigarettes.
Cigarettes mustn’t be smoked by our students.
七嘴八舌
(变被动语态）
1.People use knives for cutting things.
Knives __a_r_e__ _u_s_e_d__ for cutting things.
Welcome ！
The Passive Voice
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.
一般现在时(simple present)： S(主语)+am/is/are +过去分词(done)
Let’s have a try.
find
make
build sweep take
buy have sing tell give
found
made built
swept took bought had sang told gave
found
made built
swept taken bought had sung told given
3. We found the ticket on the floor .
__T__h_e_ _t_ic_k_e_t_ __w_a_s__ _fo_u__n_d_ on the floor.
4.I told her to return the b__ to return the book in time.
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.
Ann can take good care of the cats ．
The cats can be taken good care of by Ann.
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.
2. I bought a computer last term． A computer was bought (by me) last term.
invent
Thomas Edison invented the light. The light was invented by Thomas Edison .
7. Did you plant many trees at this time last year? __W__er_e__ __m_a_n_y_ __t_r_e_e_s_ _p_l_a_n_t_ed_ at this time last time?
2.The students clean the windows of their classroom twice a month.
The windows of their classroom__a_re___ _c_le_a_n_e_d_ twice a month.
3.I found the ticket on the floor.
5. Last year we built a library in our
school. A library __w__a_s__ __b_u_i_lt__ in our school last year.
6.Now people can use computers to help them.
Now computers __c_a_n___ __b_e___ _u__se_d__ to help them.
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.