新课标人教版英语选修7Unit2Grammar课件

现在进行 be (am/is/are) +V-ing be(am/is/are)+being+ V-ed
过去进行 be(was/were)+V-ing
be(was/were)+being+ V-ed
一般将来 will+V原形，或be(am/ will+be+ V-ed, 或be（am/is
is/are) going to+V原形 /are) going to+be+ V-ed
9.The news would be sent to the soldier's mother as soon as it arrived. 过去将来
时态 一般现在
主动语态
被动语态
(谓语动词的形式)
V原形/V-es
be（am/is/are）+V-ed
一般过去 V-ed/不规则
be（was/were）+ V-ed
被动语态的含义
什么是主动语态与被动语态？
主动语态：表示主语是动作的 发出者。
被动语态：表示主语是动作的 承受者。
Everyone enjoys exciting sports.（主动语态） Exciting sports are enjoyed by everyone.(被动 语态)
被动语态的构成:
含情态动词的被动语态
1、常用情态动词有那些？ can、could、may、must、need、
have to、be able to 2、含情态动词的被动语态是怎样构成的？
情态动词 + V原
be + V过分
be
情动用法
被动语态
情态动词 + be + V过分
用所给动wenku.baidu.com的适当形式填空
1.We can _fi_n_i_sh__(finish) my homework on time. 2.The work can _b_e_f_i_n_is_h_e_d_ (finish) in two days. 3.Tom wasn’t able to _g_e_t__ (get) tickets. 4.Polly must _b_e__ta_k__en__ (take) care of
by Ling Feng. 5.She may __b_e_t_a_u_g_h_t_(teach) by her mother. 6.The book has to _b_e_w__r_it_te_n_（write）in English.
主动语态变被动语态
观察分析下列变化情况,归纳总结出主动变被动的方法。
1. We clean our classroom.
(主) (谓)
(宾)
Our classroom is cleaned by us.
(宾)
(谓)
(主)
2. I taught
(主) (谓)
them.
(宾)
They were taught by me.
(宾)
(谓)
(主)
4.Mr. Wu teaches Chinese. Chinese is taught by Mr.Wu.
had+been+ V-ed will + have +been + V-ed
用所给动词的被动语态填空
1.Trees __a_re__w_a_t_e_re_d_(water) by them every day. 2.Maths _i_s_t_au_g_h_t__(teach) in our school. 3.His bike _w__as__b_o_u_g_h_t (buy) two years ago. 4.The match _w__as__w_o_n_ (win) by our team yesterday. 5.The work _w__il_l _b_e_f_in_i_s_h_ed_ (finish) in a few days. 6.They _w_e_r_e_t_o_ld_ (tell) to come on time last night. 7.All the windows _h_a_v_e_b_e_e_n_c_l_o_se_d_(close) already. 8.The station __is_b_e_i_n_g_b_u_i_lt_ (build) now.
be （not） +done
请分析下面八个句子分别用了什么时态和 语态，并加以总结
1.English is spoken all over the world. 一般现在时
2.The water is being turned into vapour. 现在进行时 3.Those rooms have not been cleaned yet. 现在完成 4.He was seen to enter the room. 一般过去
过去将来 现在完成
would+V原形，或be would+be+ V-ed，或 be
（was/were） going to+V（was/ were） going to+be
原形
+ V-ed
have/has+ V-ed
have/has+been+ V-ed
过去完成 had+ V-ed 将来完成 will + have+ V-ed
过去完成
7.Madame Curie will always be remembered as the discoverer of the element radium. 一般将来
8.Before you come back, the problem will have been solved by him 将来完成时
5.We keep our classroom clean. Our classroom is kept cleaned (by us )
6.They will close the door soon. The door will be closed ( by them ) soon.
5.At that time they were being shown how to run the machine. 过去进行
6.Radios had just been invented then, and people were talking about sending pictures by electricity.