3. 不定式做宾语的结构： “V + to do” 的结构
(做宾语)
接动词不定式作宾语常见的几个动词、短语是 want , try, decide , offer, agree , plan , begin , learn, wish, hope , start, need , like , love, would like ， can’t wait 等.
(1) When do we use + 1
“It’s + adj. (+for sb.) + to do sth. ”?
(2) When do we use + 1
“It’s + adj. (+of sb.) + to do sth. ”?
2021
It is +adj+for sb +to do.
2021
Task 1
动词不定式的基本形式和否定形式
2021
Task 1 动词不定式的基本形式和否定形式
( ) It was freezing outside. He decided
_______ his coat.
A. to put on
B. putting on
C. puts on
D. put on
important/possible/impossible/difficult/hard… It is easy for me to do the homework. It is hard for him to play the violin.
要点小结：当adj描述的是“to do…”时，用for 。
Task 2
动词不定式的用法
2021
1. 不定式做主语： It’s important to love our class.
常用句型：It’s + adj. (+for sb.) + to do sth.
形式主语
真正主语
（对某人来说）做某事是怎样的
e.g. To learn EHnagvleisahtrwy!ell is not easy.
=TraItn’sslanteo:t对e我as来y说t回o答le这a问rn题E是n很g难lis的h。w+e1ll.
It’s difficult for me to answer the question.
=To answer the question is difficult for me.
2021
It is +adj+of sb +to do.
kind/stupid/careful/clever/rude… It is kind of you to help me . It is rude of him to break the window.
要点小结：当adቤተ መጻሕፍቲ ባይዱ描述的是“sb.”时，用of。
We call the red words
(7) The difficulty is to stop people killing them.
2021
—— The Infinitive “to do”
Tasks
1） 动词不定式的基本形式和否定形式 2） 动词不定式的基本用法 3） 动词不定式省略to的情况
（主语和表语指代的是同一事物） 1.My job is _________computers.
A. to selling B. sell C. to sell
2. Her hobby ist_o__p_l_a_y (play) football.
2021
3.I want to buy a ticket.
2021
2. 不定式做表语的结构“n + be + to 常放在be动词后，表明主do语” “是什么” “怎么
样He” r。wish is to study in Huangqi eM.gi.dOduler pslacnhisootol.go there by plane. My我jo们b的i计s 划to是c乘le飞a机n去t那he儿。streets.
( ) The teacher told us _______in bed.
A. don’t read
B. read not
C. to not read D. not to read
动词不定式的基本形式是由“to + v原”构成， 其否定形式是not to do. 注：动词不定式没有人称2021和数的变化.
Tang Jieqi
2021
Spring Festival is coming ! Do you want to receive presents ? Today there are some tasks for you to finish. One question is for 1 point ! The winning group will get a present !
2. My parents decide _to__g_iv_e__ (give) me more money.
3. He plans t_o__g_o_ (go) to Beijing for a holiday.
2021
(Sentences from M9)
(1) It was interesting to learn about the Wolong Panda Reserve. (2) We need to help the animals live in peace. (3) Many people decide not to think about it. (4) Their water isn’t good to drink. (5) Our government is working hard to save pandas. (6) Many animals have no place to live in.
e.g.
1) They decided to try again. 2) Students need to go to school before 7 o’clock ev202e1 ry day.
1.My friends want _t_o__b_u_y__(buy) some tickets for us.