含情态动词被动语态
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Delicious meals can be cooked ( by my mother ).
3. People may catch fish in the river. Fish may be caught in the river (by people).
4.we must keep teenagers away from the Internet? Teenagers must be kept away from the Internet.
This magazine can't be taken home. Can this magazine be taken home ?
3. Trees must be watered every day. Trees mustn't be watered every day. Must trees be wateFra Baidu biblioteked every day?
情态动词+not + be + 过去分词
can/could must should may/might had better
情态动词+ 主语+ be + 过去分词
Can/Could Must Should May
疑问词+情态动词+ 主语+ be + 过去分词
can/could must should may/might
3. Can Lucy do her homework tomorrow instead? Can _th_e__h_o_m_e_w__o_r_k_b_e__d_o_n_e_(_b_y__L_u_c_y_)_____ _to_m__o_r_r_o_w__in_s_t_e_a_d______________________?
_o_w__n_d_e_c_i_si_o_n_s_. _______________________
4b Fill in the blanks with the correct forms of the words in brackets.
2. The books may___ for two weeks.
A. be kept
B. be borrowed
C. keep
D. borrow
3 The broken bike____ here by Mr Smith.
A. can mend
B. can mended
C. can be mend D. can be mended
When must this task be finished? 这项任务必须在什么时候完成？
含情态动词的被动语态
肯定句: 主语+ 情态动词+ be+ 动词过去分词. 否定句: 主语+ 情态动词+ not+ be+动词过去分词. 一般疑问句: 情态动词+ 主语+ be+ 动词过去分词? 特殊疑问句：特殊疑问词+ 情态动词+ 主语+ be + 过去分词 ？
情态动词+be +过去分词
can/could must should may/might had better have to
1.The flowers ___often.
A. must be water B. must be watered
C. must watered D. must water
4a Rewrite the sentences according to the example.
1. You must clean your bedroom every day. Your bedroom must be cleaned every day.
2. Parents should encourage teenagers to do social work for their community. n. 社区， Teenagers s_h_o_u_l_d_b_e__e_n_c_o_u_r_a_g_e_d_(_b_y__th_社e_i团_r__ p_a_r_e_n_ts_)_t_o_d__o_s_o_c_ia_l_w__o_r_k_f_o_r_t_h_e_i_r_c_o_m_m__u_n_i.ty
4.Young trees should ________ every year.
A. be planted B. planted
C. plant
D. are planted
1.Your homework should be finished first. Your homework shouldn't be finished first. Should your homework be finished first ? 2. This magazine can be taken home.
含情态动词的被动语态
含情态动词的被动语态
can, could (能；会), may; might (可以) must(必须), should(应该), would(愿意) have to(必须；不得不), had better(最好做)
1. We should allow teenagers to watch TV on Sunday Teenagers should be allowed to watch TV on Sunday( by us) . 2. My mother can cook delicious meals.
5. Parents should give teenagers chances to
make their own decisions.
自己做决定
n. 机会，可能 性
Teenagers
_s_h_o_u_l_d_b_e__g_iv_e_n__c_h_a_n_c_e_s_t_o_m__a_k_e_t_h_e_i_r___
4. Do you think we must keep teenagers
away from the Internet?
keep…away from
Do you think teenagers 避免接近，远离
_m_u__st__b_e_k_e_p_t_a_w__a_y_f_r_o_m__t_h_e_I_n_t_e_rn__et_____?
3. People may catch fish in the river. Fish may be caught in the river (by people).
4.we must keep teenagers away from the Internet? Teenagers must be kept away from the Internet.
This magazine can't be taken home. Can this magazine be taken home ?
3. Trees must be watered every day. Trees mustn't be watered every day. Must trees be wateFra Baidu biblioteked every day?
情态动词+not + be + 过去分词
can/could must should may/might had better
情态动词+ 主语+ be + 过去分词
Can/Could Must Should May
疑问词+情态动词+ 主语+ be + 过去分词
can/could must should may/might
3. Can Lucy do her homework tomorrow instead? Can _th_e__h_o_m_e_w__o_r_k_b_e__d_o_n_e_(_b_y__L_u_c_y_)_____ _to_m__o_r_r_o_w__in_s_t_e_a_d______________________?
_o_w__n_d_e_c_i_si_o_n_s_. _______________________
4b Fill in the blanks with the correct forms of the words in brackets.
2. The books may___ for two weeks.
A. be kept
B. be borrowed
C. keep
D. borrow
3 The broken bike____ here by Mr Smith.
A. can mend
B. can mended
C. can be mend D. can be mended
When must this task be finished? 这项任务必须在什么时候完成？
含情态动词的被动语态
肯定句: 主语+ 情态动词+ be+ 动词过去分词. 否定句: 主语+ 情态动词+ not+ be+动词过去分词. 一般疑问句: 情态动词+ 主语+ be+ 动词过去分词? 特殊疑问句：特殊疑问词+ 情态动词+ 主语+ be + 过去分词 ？
情态动词+be +过去分词
can/could must should may/might had better have to
1.The flowers ___often.
A. must be water B. must be watered
C. must watered D. must water
4a Rewrite the sentences according to the example.
1. You must clean your bedroom every day. Your bedroom must be cleaned every day.
2. Parents should encourage teenagers to do social work for their community. n. 社区， Teenagers s_h_o_u_l_d_b_e__e_n_c_o_u_r_a_g_e_d_(_b_y__th_社e_i团_r__ p_a_r_e_n_ts_)_t_o_d__o_s_o_c_ia_l_w__o_r_k_f_o_r_t_h_e_i_r_c_o_m_m__u_n_i.ty
4.Young trees should ________ every year.
A. be planted B. planted
C. plant
D. are planted
1.Your homework should be finished first. Your homework shouldn't be finished first. Should your homework be finished first ? 2. This magazine can be taken home.
含情态动词的被动语态
含情态动词的被动语态
can, could (能；会), may; might (可以) must(必须), should(应该), would(愿意) have to(必须；不得不), had better(最好做)
1. We should allow teenagers to watch TV on Sunday Teenagers should be allowed to watch TV on Sunday( by us) . 2. My mother can cook delicious meals.
5. Parents should give teenagers chances to
make their own decisions.
自己做决定
n. 机会，可能 性
Teenagers
_s_h_o_u_l_d_b_e__g_iv_e_n__c_h_a_n_c_e_s_t_o_m__a_k_e_t_h_e_i_r___
4. Do you think we must keep teenagers
away from the Internet?
keep…away from
Do you think teenagers 避免接近，远离
_m_u__st__b_e_k_e_p_t_a_w__a_y_f_r_o_m__t_h_e_I_n_t_e_rn__et_____?