人教英语选修7unit2grammar 课件(共18张ppt)

accompany understand envy
laughed at discuss
test
4. These are the issues _to__b_e_d_i_s_c_u_s_se_d__ tomorrow.
5. The new drug is _t_o_b_e__te_s_t_e_d_ out on 500 patients next year.
(3) 构成复合宾语：
1)He wanted the letter to be typed at once. 2)She didn’t like herself to be praised like that. (4) 构成复合谓语：
The books are not allowed to be taken out of the room have been doing
/
一 .当不定式的逻辑主语是不定式所表 示的动作的承受者时，不定式一般要采 用被动形式。
不定式的被动形式有下列用法:
(1) 作主语： It is an honour for me to be asked to speak here. (2) 作宾语： She asked to be sent to work in Xinjiang.
不定式被动式讲与练
不定式语法 不定式的时态和语态
不定式有时态和语态的变化，时态 共四种，即一般式、完成式、进行 式和完成进行式。语态分为主动语 态和被动语态，如下表所示。
时态 语态 主动语态 一般式 to do
被动语态 to be done
完成式 进行式
to have done
to be doing
Sentence making
wash
1. The dishes need to be washed.
send
2. The mail is expected to be sent.
photograph
3. The singer refused to be photographed.
4. The house is sell
2. Her dream is T_o_b_e__se_n_t_(send) to study abroad
3. This dictionary mustn’t_b_e__ta_k_e_n_a_w_a_y (take) away from the library.
4. The book is said_T_o_h_a_v_e_b_e_e_n__tr_a_n_sl_a_te_d (translate) into French so far.
Unit 2 Robots Grammar
1、掌握和应用动词不定式的被动语态。 2、活学活用，提升语法理解能力。 3、培养解决难题的能力。
2
3
本节课是非谓语动词中的不定式，不定式是高 考的重点和难点，也是书面表达中常用的句型， 鉴于此，本节课采用讲练结合的形式，力争把不 定式这个知识点讲透。
首先通过下定义、列表格、举例子等形式 让学生们充分理解和掌握动词不定式的语法 规则。在此基础上让学生通过观察图片造句 子，并填空，活学活用。最后精选一些习题 让学生当堂完成，进行检测。
test
1. She hates __to__b_e_l_a_u_g_h_e_d__a_t _ by her classmates.
2. Tim refused _t_o_b_e__a_cc_o_m__p_a_n_i_e_d_ by his father to school.
3. She struggled _t_o_b_e__u_n_d_e_r_st_o_o_d_ by the French visitors.
5. George returned after the war, only__t_o_b_e__to_l_d___(tell) that his wife had left him.
6. Are you going to attend the important meeting__to__b_e_h_e_l_d___(hold) next Monday?
(5) 作定语： Are you going to the meeting to be held in the teachers’ office? (6) 作状语： She was too young to be assigned such work.
二、不定式有时还可以有完成式的被动 式，在句中作主语、宾语、定语，或者 构成复合宾语、复合谓语等，如：
7. Rice _i_s_g_r_o_w_n___(grow) in South China.
8. Some of the hotels in my hometown a_re__b_e_in__g_r_e_b_u_il_t (rebuild)now.
to be sold.
paint 5. The wall is expected
to be painted.
frighten 6. The bird seems
to be frightened.
Fill in the blanks
accompany understand envy
laughed at discuss
6. She was very beautiful but she didn’t
like _t_o_b_e__en__v_ie_d_ by all the girls she met.
单句语法填空
1. The boy asked __T_o_b_e_g_i_v_e_n____(give) an opportunity to try again.
1)It is a good thing for him to have been criticized.（主语） 2)She preferred to have been given heavier work to do. (宾语)
3)He thought it an honour to have been invited to the party. （复合宾语） 4)She was the first woman to have been elected to such a post. （定语）