讲课用-现在完成时的被动语态(1)-2说课讲解

The Present Perfect Passive Voice
（现在完成时的被动语态）
现在完成时的被动语态表示动作发生在过去， 到现在已经完成 ，但对现在仍有影响。
Structure：
（构成）
主动语态
现在完成时 have/has done
被动语态
have/has been done
Step 3 Discovering
1.Workers have built the house since two years ago.
The house has been built by workers since two years ago.
2. We have received many letters since last week. Many letters have been received since last week.
the Moon and Mars.
Characteristics： （特征）
1.主语是行为动作的承受者。 2.说话时已经完成的动作或出现的结果。 3.动作或状态始于过去，持续到现在，并 可能持续下去。
Step 4 Exercises
Exerciswenku.baidu.com 1: Change the sentences into the present perfect passive voice
Exercise 1: Change the sentences into the present perfect passive voice
讲课用-现在完成时的被动语态 (1)-2
The house
by workers
Step 1 Revision
This song__is___often___s_u_n_g_ (sing) by
You’d better do them again.
Look at the way the flowers have been planted Look at the way the grass has been cut Look at the way the paths have been swept I hope that you’ll come here again.
me. 5. I have also been put into robots and used to make mobile
phones as well as help with medical operations. 6. I have even been put into space rockets and sent to explore
Open you books turn to page 18. read the text and pick out how many sentences that use The Present Perfect Passive Voice .
What characteristics do they have in common
1. Over time I have been changed quite a lot . 2. First as a PC and then as a laptop, I have been used in offices
and homes since the 1970s.
3 I never forget anything I have been told. 4. Since the 1970s many new applications have been found for
Exercise 3 Fill in the blanks using present perfect passive voice:
Lots of beautiful flowers and trees _h__a_v_e_b_e_e_n_p__la_n_t_e_d_._(plant)
1.Many flowers_h_a_v_e__b_ee_n__p_u_t_o_n(put on)the bike. 2.The camera has been used (use) to take photos
Group 2 machine
replace computer
The machine has been replaced by the computer .
Group 3 new bridge, build , in our city
A new bridge has been built in our city
“I MISS YOU” has _b_e_en__w_r_i_tt_e_n(write)on
•Exercise 2: Making up sentences using present perfect passive voice:
Group 1 The buildings, destroy, earthquake
The buildings have been destroyed in the earthquake.
children. These books_a_r_e often__b_o_rr_o_w_e_d__(borrow)
by girls. The sports meeting w__a_s_h_e_l_d_(hold) in our city
last year. This work__c_a_n easily _b_e__d_o_n_e_(can/ do). Many buildings __w_i_ll_b_e__b_u_il_t (build) in my
hometown in the future.
Step 2 Leading in
Look at the way your face
has been washed
Look at the way your hair
has been combed
Look at the way your shoes have been cleaned