+ do表示动作的完整性， +doing 表示动作的进行性。 注意：被动语态中不能省去to。
形式:
不定式：to+动词原形 动名词：动词原形+ing
不受人称和数的限制
动名词
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）
被用来做某事
thank sb. for doing sth. 谢谢某人做某事
be tired of doing sth.
厌烦做某事
be afraid of doing sth.
害怕做某事
put off doing
推迟做某事
stop sb. from doing sth. 阻止某人做某事
give up doing sth.
A. went B. going C. to go D. has gone
5.He is good at______.
A.singing B.sing
ห้องสมุดไป่ตู้
C.sings D.to sing
动词不定式:
肯定式: to do 否定式: not to do 省略to的: do
只能接不定式作宾语的动词口诀：
想要做某事
finish doing sth.
完成做某事
practice doing sth.
练习做某事
错过建议保持介意值得考虑
miss doing sth. suggest doing sth.
错过做某事 建议做某事
keep (on) doing sth. 保持（继续）做某事
mind doing sth.
放弃做某事
without doing sth.
没有做某事
think about doing sth.
考虑做某事
What ∕ How about doing 做某事怎么样?
此to 非彼to
look forward to doing sth.
invite sb. to do sth.
邀请某人做某事
expect sb. to do sth. 期待某人做某事
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
区分下列词组:
see sb. doing/ do sth. hear sb. doing/ do sth. watch sb. doing/ do sth. notice sb. doing/ do sth.
感官动词 see, watch, look at, notice, hear, listen to, feel
agree to do sth.
同意做某事
afford to do
能做某事
be used to do
被用来做
迫不及待下决心做过去常常未能做的事
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
过去常常做某事
fail to do
喜欢花费忙着想象忍不住想要结束练习
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.
warn sb. to do sth. 告诫某人做某事
allow sb. to do sth.
允许某人做某事
remind sb. to do sth. 提醒某人做某事
help sb. (to) do sth.
帮助某人做某事
省略to的情况:
使役动词和感官动词后：一感二听三让四看 feel/ hear, listen to/ let,make, have, / look at, see, watch, notice had better （not）do sth. 最好(不)做… why not /why don’t you do sth为什么不做…? help sb.（to）do sth Would rather宁愿做… would you please 情态动词+do 助动词+do
未能做某事
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.
想要某人做某事
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.
决定做某事
want ∕ would like to do sth. 想做某事
plan to do sth.
计划做某
need to do sth.
需要做某事
不定式
动名词
动名词: doing 动词不定式: to do
热身练习
1. The old men enjoy _____ (listen) to the singing of
the birds in the park.
2.My sister is interested in _______ in her free time.
A. watch TV
B. reading books
C. listening music D. plays basketball
3.Let me ______(help) you _______ (water) the flowers.
4. I saw him _______ into the small store.
介意做某事
be worth doing sth. 值得做某事
consider doing sth. 考虑做某事
be good at doing sth
擅长做某事
be interested in doing sth. 对做某事感兴趣
insist on doing
坚持做某事
be used for doing sth.