不定式作表语
His wish is to buy a car in the near future． Susan’s dream is to be a doctor. To see is to believe.(百闻不如一见) 不定式作表语一般表示具体动作，特别是表 示将来的动作。

I spent 2 hours playing computer games 2. 我喜欢跑步。 I enjoy running . 3. 比起看电视来，我更喜欢看书。 I prefer reading to watching TV . 4. 我们最后情不自禁的笑了。 We can’t help laughing at last .
只能接不定式作宾语的动词口诀：
决定想做计划需要同意，能做被用来做的事
迫不及待下决心做过去常常未能做的事
决定想做计划需要同意，能做被用来做的事
decide to do sth. plan to do sth. 决定做某事 计划做某
want ∕ would like to do sth. 想做某事 need to do sth.
不定式作宾语
I.
would like, want, decide, agree, hope, wish, need, plan,
+ to do sth.
口诀：想要决定同意，希望需要计划
Ⅱ.eg：1.Would you like to see a film this evening？
2.I decide to go to the Great Wall.
be used to doing sth.
（习惯于）
prefer doing sth to doing sth.（更喜欢） devote to doing sth （致力于）
make a contribution to doing （做贡献）
Let’s do excercises
Eg. 1. 我花费了2小时玩电脑游戏。
+ doing sth.
口诀：保持完成花费，忍不住介意放弃喜欢
Ⅱ.eg： 1.I enjoy playing basketball. 2.My mother prefer watching TV to swimming.
动词+doing
doing
介词+doing
只能接-ing作宾语的动词口诀：
喜欢花费忙着想象忍不住想要结束练习 错过建议保持介意值得考虑 （押韵）
忘记要去做某 事 继续做另一 件事 遗憾要去做 某事 打算做某 事 努力做某事
忘记做过某 事 继续做原来 的事 遗憾做过某 事 意味着 试着做某事
regret to do sth mean to do sth
try to do sth
regret doing sth mean doing sth
try doing sth
put off doing stop sb. from doing sth. give up doing sth. without doing sth. think about doing sth.
推迟做某事 阻止某人做某事 放弃做某事 没有做某事 考虑做某事
What ∕ How about doing 做某事怎么样? look forward to doing sth. pay attention to doing sth. （盼望） （注意）
Let’s do excercises
Eg.
1. 他想吃一个苹果。 He wants to eat an apple.
2. 那男孩决定赶上同班同学。 The boy decided to catch up with classmates. 3. 我希望上大学。 I hope to go to college. the
接不定式作宾语补足语的动词口诀：
请求与命令 想要邀请期待鼓励与建议 答应告诫允许提醒和帮助
请求与命令
ask sb. to do sth. 请求某人做某事
tell sb. to do sth. 命令某人做某事
想要邀请期待鼓励与建议
want sb. to do sth. invite sb. to do sth. expect sb. to do sth. 想要某人做某事 邀请某人做某事 期待某人做某事
动名词: doing
考 点
动词不定式: to do
Ⅰ.

不定式作主语
To say is one thing and to do is another. It is better to give than to receive. It takes me five minutes to finish the job. It is important for us to learn English well. 不定式做主语，一般用it当形式主语，把作主 语的不定式短语后置。
Eg.
I forgot telling him the news. 我忘记已经告诉他这个消息了。 I forgot to tell him the news . 我忘记了告诉他这个消息。 She tried writing a composition. 她试着写作文。 to call She tried you . 她设法（尽力）打电话给你。 I remember opening the door just now. 我记得我刚才开了门。 Please remember to close the door after work. 请记住下班后关门。
Ⅲ.动词后接不定式和动名词的区别：
stop to do sth
停下来去做 某事 记着去做 某事
stop doing sth
停止做某事 记着做过某 事
remember to do sth forget to do sth go on to do sth
remember doing sth forget doing sth go on doing sth
Eg.
4. 他同意了帮助我们。 He agreed to help 5. 我选择了教英语。 I chose to teach 6. 你希望单独进餐吗? Do you wish to eat 7. 这辆车需要修理了。 The car needs to be 8. 他许诺要努力学习。 promised to study He us. English. alone? mended. hard.
encourage sb. to do sth. 鼓励某人做某事
advise sb. to do sth. 建议某人做某事
答应告诫允许提醒和帮助
promise sb. to do 答应某人做某事 warn sb. not to do sth. 告诫某人做某事
allow sb. to do sth.
The news makes me laugh. The teacher lets us go out to play. I help my mother do some housework.

特殊：②不定式可以和疑问词
who,when,what,how,等构成不定式短语， 在句中作主语宾语和表语。 如：I don't know what to say.
不定式作宾语补足语
I.
would like, want, ask， encourage,expect, tell ,allow
+sb to do sth.
口诀：想要询问鼓励，期望告诉允许 Ⅱ.eg：1.Lucy asked me to turn down the radio. 2.My mother expects me to have a good job.
Eg.
I mean to go ,but my father would not allow me to. 我打算去，但我的父亲不让我去。 Doing that means wasting time . 那样意味着浪费时间。 I regret to do this ，but I have no choice. 我很遗憾要这样做，但是我别无选择。 I don’t regret telling her what I thought . 我不为告诉她我的想法而后悔。 After he finished the maths，he went on to do his physics 他做完数学又继续做物理。 Go on doing the exercises after a short rest. 休息一会儿后，继续做练习。
agree to do sth. afford to do be used to do
需要做某事
同意做某事 能做某事 被用来做
can’t wait to do
迫不及待地要做某事
make up one’s mind to do 下决心做某事 used to do fail to do 过去常常做某事 未能做某事
enjoy doing sth. 喜欢做某事 spend...doing sth. 花费…做某事 be busy doing sth. 忙于做… imagine sb. doing sth. 想象…做某事 can't help doing sth. 忍不住做某事 feel like doing sth. 想要做某事 finish doing sth. 完成做某
Eg. 5. 你介意抽烟吗？
Do you mind smoking 6. 我的爱好是跳舞。 My hobby is dancing . ?
7. 他已经完成了家庭作业。 He has finished doing his homework. 8. 一些学生练习做眼保健操。 Some students practise doing eye exercises.