的
decide sb. to do sth. encourage sb. to do sth.
黑
help sb. do sth.
胖
plan sb. to do sth./promise sb. to do sth.
娃
want sb. to do sth. ask sb. to do sth.
娃
would like sb. to do
like/love to do (一次性的动作)
She likes to swim.
like/love doing (习惯/经常性的动作)
stop/go on 两件事情
stop to do (停下当下做的事去做另一件事情)
I'm tired. Let's stop to have a rest.
stop doing (停止正在做的事情)
表语：系动词之后，表明主语性质、状态、身份…
动词不定式可以放在be动词后作表语
作
表
My work is to clean the room every day.
语
2
decide 决定； expect期望；forget忘记； fail 失败； try尽力 prefer 更喜欢...... 作
宾
语
I hope to have a party tomorrow.
作
宾
补
Tina told her sister to turn down the TV.
5
tell sb. to do sth.
宾语补足语：用来说明宾语的性质，身份，特征和行为等情况。。
常考动词不定式作宾语补足语：
她
tell sb. to do sth./It takes sb. to do sth.
不定式：to + 动词原形
互动精讲
不定式的结构
不定式的结构：
to + do (动词原形)
否定结构：not to do
注意：to不是介词，而是动词不定式的符号，无任何实际意义。
He plans to go to Jinan for a holiday.
不定式特点： 没有人称、数的变化在句中做除谓语之外的几乎所有成分，如主语、宾语
作
作
作
作
作
作
主
表
宾
定
宾
状
语
语
语
语
补
语
1 23456
To see is to believe.
作
subject
主 语
To learn English well is important.
1
subject
to do位于句首作主语
It is important to learn English well .
小傀儡
subject
作
主
学好英语是重要的。
语
1
It’s + adj. + to do sth.
It作形主，to do作真正主语
典型例题
To do作主语， 谓语用单数
①T_o__t_r_a__v_e_l_ (travel) around China _i_s_ (be) my dream. ② It's our duty _t_o__c_l_e_a_n__ (clean) the classroom.
3
h动词+ to do
口诀：
想要学习 早打算 (want learn plan) 快准备 有希望 (prepare hope wish expect) 同意否 供选择 (agree offer choose) 决定了 已答应 (decide promise) 尽力去 设法做 (try manage) 别拒绝 别假装 (refuse pretend) 失败不会属于你 (fail)
A. of , took
B. of , to take C. for, to keep D. for , took
引申句式： 1. It’s + adj.(修饰动作) + ( for sb. )+ to do sth. 2. It’s + adj.(修饰人) + ( of sb. )+ to do sth.
定语：紧跟名词/代词，限定、修饰其品质特征，作用相当于形容词
动词不定式通常位于被修饰的名词后，作后置定语
作
定
语
I am not free now. I have lots of things to do.
4
ask; teach; want; wish; encourage;
invite; help；promise；get； remind…
It作形式宾语
It在句中作形式宾语，真正的宾语是后面的不定式短语。
句型：主语 ＋ find/think/feel /consider/suppose/believe＋ it ＋ 形容词 ＋ to do sth.
I find it difficult to learn physics. 我发现学习物理很难。
③ It's important ______ us ______ healthy.
A. of , kept B. for , kept C. of , to keep D. for , to keep
④ It’s nice ______ him ______ care of his young brother.
中考英语动词不定式
学科特点
非谓语动词是初中英语的语法重点之一，也是每年中考英语试题的考点之一。 常见题型：选择题、翻译、书面表达··· 非谓语的考查方向:动词不定式、动词-ing形式及过去分词，其中尤以不定式和-ing形式为重。
多元导学
To be or not to be, that is the question. ——William Shakespeare
② 常见既带to do，又带doing作宾语（常考词汇） to do
forget/remember forget/remember to do (未做) 已做/未做 I forgot to bring my homework.
doing
forget/remember doing (已做)
like/love 两件事情
allow sb. to do sth.
哦
offer sb. to do sth.
不定式做宾补，省略to的情况
The boss makes the workers work (work) for 12 hours a day.
look at, see, watch, notice