give up feel like put off
can’t help can’t stand be worth doing be busy (in) doing
have some difficulty / trouble (in) doing
此to 非彼to
look forward to doing sth. （盼望）
t_o_t_u_r_n_(turn )it off.
作主语：动名词
Teaching is my full-time job.
Writing an English composition is not easy.
It’s useless taking this kind of medicine.
有时用it作形式主语，动名词为真正的主语。 常用的结构有: “It is no use/no good/ fun /a waste of time doing sth”表示的意思为“做某事是没有 用的/不好的/有趣的/浪费时间的”
•He keeps buying expensive maps. He must have more th：
admit, advise, allow, appreciate, avoid, complete, consider, delay, deny, dislike, enjoy, escape, excuse, finish, forbid, forgive, imagine, involve, keep, mention, mind, miss, postpone, practice, resist, risk, suggest, permit, prevent, fancy, understand
*动名词做主语时, 表示动作比较抽象或者是 习惯性的.而不定式多表示某次比较具体的动 作 , 特别是将来的动作.
如：To play basketball this afternoon sounds interesting.(一次性的)
Playing basketball is my favorite. （习惯性的）
1) forget to do sth.忘记去做某事（未 做）
forget doing sth.忘记做过了某事（已 做）
• The light in the office is off. It was she
who turned it off, but she herself forgot __tu_r_n_i_n_g( turn ) it off. • The light in the office is still on. She forgot
非谓语动词分类
不定式 (to) do
非
谓
动名词（-ing)
动词
语
-ing
现在分词(-ing)
形式
分词
过去分词(-ed)
现在分词与动名词
分析以下句子：
• 1. Eating apples is good for our health.
• 2. Your task is studying hard. =Studying hard is your task. 3. I enjoy listening to music. 4. China is a developing country. 5. The boy standing under the tree is my friend. 6. I heard a girl singing next door. 7. Hearing the news, I felt happy.
• 不定式/动名词都可做宾语无区别 • begin, start, continue, can’t bear, intend
作动词宾语时，跟不定式和v-ing意思不同的动 词有：
remember, forget, regret, stop, mean, try, 等。 remember/ forget/ regret +v-ing 表已经发生的动作， remember/ forget/ regret + to do 表动作还没有发生。 mean doing 意思是……；意味着…… mean to do 意欲，打算要做…… stop to do 停下来要做…… stop doing 停止正在做的动作 try doing 试着做…… try to do sth. 试图做……
作表语
（1）动名词
（2）现在分词
My job is teaching. The play is exciting.
= Teaching is my job. ≠ Exciting is the play.
• Your task is studying hard.
The story he told us was very interesting.
It is no use crying over spilt milk.
It is no good staying up too late every day.
It is fun playing basketball .
It is a waste of time complaining.
动名词作主语与不定式作主语的区别：
pay attention to doing sth. （注意）
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 contributions to doing （做贡献）
=Studying hard is ≠Interesting was
your task.
the story he told us.
作宾语：动名词
•I have just finished doing my homework. •I suggested asking his brother for some money.