动词不定式》PPT课件PPT课件
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1、I hope to finish it tomorrow .
2、She plans to go and teach in the country.
10
作宾语
2、动词+疑问词+to do
1、我不知道接下来该做什么。
I don’t know__w_h_a_t_to__d_o___ next.
2、她不能决定买哪本书。
The dusty air makes it difficult to get a clear picture of space.
大气中的尘埃使人难以获取太空的清晰图像。
我认为学好英语很重要
I think it important to learn English well.
12
练习
1、Don’t forget _t_o_t_u_rn__o_ff_t_h_e_l_ig_h_t__.(关灯) 2、I happened _to__go__o_u_t _when he called me. (出去) 3、I don’t want_to__d_ep_e_n_d_o_n__o_th_e_r_s_. (依赖别人) 4、Sam is learning_h_o_w__to__d_ri_v_e_a_c_a_r__. (怎样开车) 5、We promise _t_o_p_r_ot_e_c_t __ the environment.(保护)
13
作宾补-对宾语进行补充说明
1、动词 + 宾语(sb./sth.) + to do sth. She asked me to help her. The teacher told him to come on time. Edison’s mother taught him to read and write. 常用的动词有:ask, allow, advise, want tell, order, teach, expect等
She can’t decide_w__hi_c_h_b_o_o_k__to__b_u_y__. =She can’t decide which book she should buy.
11
作宾语
3、主语+谓语+it+ adj./n. +to do
常见的谓语动词: find, think, consider, feel, make等
动词不定式
1
动词不定式的结构
肯定: to + V.原 或者 (to)+ V.原 否定:not/never + (to) + V.原
1) He likes to read novels.
2) I saw him come.
3) We decided not to buy that house.
4) It is interesting to fly a kite.
注意: 不定式作主语时,通常用it作形式主语,
把真正的主语放在后面。
1、It is +adj. for/ of sb. to do sth.
3
作主语
It +be + adj. +for/of sb. to do sth. for: adj. 多 为 描 述 不 定 式 行 为 的 特 征 (important/ necessary / interesting 等.) of: adj. 多为 描述主语的品质特征 (kind / nice / friendly / wise / foolish 等.)
5
作主语
3、It is + n. (for sb) to do sth. It is my pleasure to help you with your English.
6
作主语
4、用在谚语中
To see is to believe. To say is easy, but to do is hard.
7
练习
1、It is necessary __f_o_r__us to learn to wait.
(of/for)
2、It was careless __o_f___me to break the cup .
(of/for)
3、It took them 1,000 yuan __to__b_u__y__this
9
Biblioteka Baidu
作宾语
1、动词+ to do sth.
常用动词有: w决an定t /学w习ish(/有li)ke希/望wo,uld设l法ike拒/ h绝op想e / 假pla装n / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / fa主il/动ma答na应ge/选pr计om划is,e等同意 请求 帮一帮
table. (buy)
4、It is my pleasure _t_o__c_a_r_r_y_ the box for you.
(carry)
8
练习
5、轮到我们打扫教室了。
It is our turn__to__c_l_e_a_n__th__e_c_l_a_s_s_r_o_o_m__. __
6、To waste time is to shorten life. (翻译成中文) 浪费时间就是缩短生命。
5) Please let him not go there.
2
作主语 不定式做主语 谓语动词用单数
To hear your voice is so nice. It is so nice to hear your voice.
To study hard is very important. It is very important to study hard.
It is easy __fo_r____ her to learn English well. It is clever ___o_f ____ you to solve the problem.
4
作主语
2、It takes sb. some time to do sth.
我每天花去三个小时完成家庭作业。 It takes me three hours to finish the homework every day. I spend three hours finishing the homework every day.
2、She plans to go and teach in the country.
10
作宾语
2、动词+疑问词+to do
1、我不知道接下来该做什么。
I don’t know__w_h_a_t_to__d_o___ next.
2、她不能决定买哪本书。
The dusty air makes it difficult to get a clear picture of space.
大气中的尘埃使人难以获取太空的清晰图像。
我认为学好英语很重要
I think it important to learn English well.
12
练习
1、Don’t forget _t_o_t_u_rn__o_ff_t_h_e_l_ig_h_t__.(关灯) 2、I happened _to__go__o_u_t _when he called me. (出去) 3、I don’t want_to__d_ep_e_n_d_o_n__o_th_e_r_s_. (依赖别人) 4、Sam is learning_h_o_w__to__d_ri_v_e_a_c_a_r__. (怎样开车) 5、We promise _t_o_p_r_ot_e_c_t __ the environment.(保护)
13
作宾补-对宾语进行补充说明
1、动词 + 宾语(sb./sth.) + to do sth. She asked me to help her. The teacher told him to come on time. Edison’s mother taught him to read and write. 常用的动词有:ask, allow, advise, want tell, order, teach, expect等
She can’t decide_w__hi_c_h_b_o_o_k__to__b_u_y__. =She can’t decide which book she should buy.
11
作宾语
3、主语+谓语+it+ adj./n. +to do
常见的谓语动词: find, think, consider, feel, make等
动词不定式
1
动词不定式的结构
肯定: to + V.原 或者 (to)+ V.原 否定:not/never + (to) + V.原
1) He likes to read novels.
2) I saw him come.
3) We decided not to buy that house.
4) It is interesting to fly a kite.
注意: 不定式作主语时,通常用it作形式主语,
把真正的主语放在后面。
1、It is +adj. for/ of sb. to do sth.
3
作主语
It +be + adj. +for/of sb. to do sth. for: adj. 多 为 描 述 不 定 式 行 为 的 特 征 (important/ necessary / interesting 等.) of: adj. 多为 描述主语的品质特征 (kind / nice / friendly / wise / foolish 等.)
5
作主语
3、It is + n. (for sb) to do sth. It is my pleasure to help you with your English.
6
作主语
4、用在谚语中
To see is to believe. To say is easy, but to do is hard.
7
练习
1、It is necessary __f_o_r__us to learn to wait.
(of/for)
2、It was careless __o_f___me to break the cup .
(of/for)
3、It took them 1,000 yuan __to__b_u__y__this
9
Biblioteka Baidu
作宾语
1、动词+ to do sth.
常用动词有: w决an定t /学w习ish(/有li)ke希/望wo,uld设l法ike拒/ h绝op想e / 假pla装n / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / fa主il/动ma答na应ge/选pr计om划is,e等同意 请求 帮一帮
table. (buy)
4、It is my pleasure _t_o__c_a_r_r_y_ the box for you.
(carry)
8
练习
5、轮到我们打扫教室了。
It is our turn__to__c_l_e_a_n__th__e_c_l_a_s_s_r_o_o_m__. __
6、To waste time is to shorten life. (翻译成中文) 浪费时间就是缩短生命。
5) Please let him not go there.
2
作主语 不定式做主语 谓语动词用单数
To hear your voice is so nice. It is so nice to hear your voice.
To study hard is very important. It is very important to study hard.
It is easy __fo_r____ her to learn English well. It is clever ___o_f ____ you to solve the problem.
4
作主语
2、It takes sb. some time to do sth.
我每天花去三个小时完成家庭作业。 It takes me three hours to finish the homework every day. I spend three hours finishing the homework every day.