必修二第二单元语法：现在完成时被动语态课件

The form of the present perfect passive voice
Verb form
Active __h_a_v_e_/_h_a_s_+_v_-_e_d____ Passive _h_a_v_e_/_h_a_s_b_e_e_n__+_v_-e_d
一、现在进行时被动语态
（一）构成 1. 肯定形式 is/am/are being done 2. 否定形式 is/am/are not being done
watch movies in the theater…
plane; high-speed rail
E-books
E-payment
Stream movies and music ; chat online…
Try to tell the changes according to the table using the present perfect passive voice.
Observe and analyze
Underline and compare the different verb forms. 1. Jan’s life has been greatly improved by the Internet. The Internet has greatly improved Jan’s life. 2. Much has been written about the wonders of the World Wide Web. People have written much about the wonders of the World Wide Web.
找出下面句子的谓语结构，哪些是主动？哪些是被动？ 1. Jan’s life has been greatly improved by the Internet. 被动 2. The Internet has greatly improved Jan’s life. 主动 3. People have written much about the wonders of the World Wide Web.
Lead in
What aspects in your life have been changed since the appearance of the Internet?
Before
After
Transport Reading Payment Entertainment
foot; bike; bus; train paper books in cash; by credit
B. being written
C. is being written
D. has been written
• 2．Still，in the wild forests，animals _____B___ for profit.
பைடு நூலகம்
A. are hunting
B.are being hunted
C. have been hunted
2.find out the differences in meaning and function between the active and passive forms.
3.master the functions of the present perfect passive voice in the context and use it in real situations.
（二）用法 1. 表示说话时正在进行的被动动作； 2. 表示现阶段正在进行的被动动作； 3. 表示一种经常性的被动行为，带有感情色彩。
练习检测
• 1．The alarming report ____C____now. It will be finished this afternoon.
A. is writing
主动
4. Much has been written about the wonders of the World Wide Web. 被动
active have/has done verb form
passive have/has been done
现在完成时被动语态
一、观察例句，归纳现在完成时被动语态的构成。 （1）Tom's novel has not been published. （2）The experiment has been done successfully. （3）How long has this film been shown? （4）Has his bike been repaired? 现在完成时的被动语态 1. 肯定形式为:__主__语_+_h_a_v_e_/_h_a_s_b_e_en__d_o_n_e。如句(2)。 2．否定形式为:___主__语_+_h_a_v_e_/_h_a_s_n_o_t _b_ee_n__d_on_e____。如句(1)。 3．一般疑问句式为：_H_a_v_e_/_H_a_s_＋__主_语__＋__b_e_en__d_on_e__。如句(4)。 4．特殊疑问句式为：疑__问__词_＋__h_a_v_e_/_h_a_s+_主__语__＋_b_e_e_n_d。on如e 句(3)
Unit 3 现在完成时被动语态
Teaching objectives:
By the end of this period, you will be able to…
1.analyze the forms and features of the present perfect passive voice.
D. have hunted
• 3．Nowadays，fish and snakes ___D_____ for food in restaurants.
A. have been killed
B. have killed
C. have been killing
D. are being killed
现在完成时与现在完成时被动语态的动词形式