2026届高考英语二轮复习：非谓语之to do 不定式用法 课件(共19张PPT)

(共19张PPT)
To - infinitive
非谓语之动词不定式：不能做谓语
To finish that task in such a short time is really a challenge.
He managed to solve the complicated problem.
I feel it a great honor to be invited to speak at the meeting before so many students.
His wish is to become an astronaut.
Observe and Answer
What component does to-infinitive act as in these sentences
subject 主语
object 宾语
object 宾语
predicative 表语
Observe and Answer
On Sundays, he always has a lot of letters to write.
She raised her voice to be heard well.
The teacher encouraged the students to take active part in some outdoor activities.
What component does to-infinitive act as in these sentences
attribute 定语
adverbial 状语
object complement 宾补
Observe and Answer
I don’t want to enter her heart’s most sacred place uninvited unless she wishes to be listened to.
He is said to have handed in today’s homework..
When mother entered the room last night, I pretended to be working on the computer.
What component does to-infinitive act as in these sentences
What form does it have
1. to do: 谓语动词> do
2. to have done: do > 谓语动词
3. to be doing: do = 谓语动词
Overview --- to-infinitive
components in a sentence: subject, object, predicative, attribute, adverbial, object complement
forms: to do, to be doing, to be done
Practice --- to-infinitive
1. It’s kind _________ (of/for) you to help me with my English.
2. Nowadays, it’s easy _________(receive) e-mails constantly, and get notifications from smartphones.
3. He made me __________ (tell) him the whole story.
4. Products which are fashionable or have a strong brand image are easy __________ (sell).
5. They could do nothing but __________ (wait) for the doctors to come.
6. What I would like to do now is _____________ (have) a good sleep.
of
tell
to receive
to sell
wait
have
It’s kind _________ (of/for) you to help me with my English.
It’s important __________ (of/for) you to listen attentively in class.
to do 不定式特殊用法 1 之 做主语
当形容词修饰人时，用介词 of，当形容词修饰事情时，用 for。
of
for
1. It’s important __________ the figures ______________(update) regularly.
2. It’s wise _______ you to set up a schedule at the beginning of your winter holiday.
3. It’s unnecessary _________ you to buy so many luxury goods since you don’t need them genuinely.
to do 不定式特殊用法 1 之 做主语 练习
当形容词修饰人时，用介词 of，当形容词修饰事情时，用 for。
for
to be updated
of
for
He made me __________ (tell) him the whole story.
to do 不定式特殊用法 2 之 做宾补
当在
感官类动词：see, watch, observe, notice, look at, hear, listen to, feel etc.
使役动词：make, let, have
后做宾语补足语时，省略 to。
注：I was made ____________ tell him the whole story.
tell
to tell
变被动时还原 to
1. Let those in need __________ (understand) that we will go all out to help them.
2. I have heard both teachers and students ________ (speak) well of him.
to do 不定式特殊用法 2 之 做宾补 练习
当在
感官类动词：see, watch, observe, notice, look at, hear, listen to, feel etc.
使役动词：make, let, have
后做宾语补足语时，省略 to。
understand
speak
“前有 do，后无 to”
适用情况：不定式在 but/except后做宾语，以及系动词之后做表语时。
注：but/except前有 can的任何形式时也要省略 to。
5. They could do nothing but __________ (wait) for the doctors to come.
6. What I would like to do now is _____________ (have) a good sleep.
to do 不定式特殊用法 3 之 做宾语和表语
wait
have
“前有 do，后无 to”
适用情况：不定式在 but/except后做宾语，以及系动词之后做表语时。
注：but/except前有 can的任何形式时也要省略 to。
1. If he takes on this work, he will have no choice but _________ (meet) an even greater challenge.
2. I could do nothing but ___________ (pretend) that I didn’t know.
3. What we really need to do is ______ (bring) back play for children.
to do 不定式特殊用法 3 之 做宾语和表语 练习
to meet
pretend
bring
adj. + to do / 句子中能够找到不定式动作发出者 / be to blame
Products which are fashionable or have a strong brand image are easy __________ (sell)
to do 不定式特殊用法 4 主动表被动
to sell
adj. + to do / 句子中能够找到不定式动作发出者 / be to blame
to do 不定式特殊用法 4 主动表被动 练习
1. I have a lot of readings ______________ (complete) before the end of this term.
2. In many people’s opinion, that company, though relatively small, is pleasant ___________ (deal) with.
3. Mr. Green stood up in defence of the 16-year-old boy, saying that he was not the one ____________ (blame).
to complete
to deal
to blame
不定式与主从复合句转换
1. sb. + be+ adj. (sure, certain, likely) + to do
= It’s + adj. (sure, certain, likely) + that
2. sb. + v. (seem, happen, appear; is said/known/reported) + to do
= It + v. + that
to do 不定式特殊用法 5
不定式与主从复合句转换
1. sb. + be+ adj. (sure, certain, likely) + to do = It’s + adj. (sure, certain, likely) + that
2. sb. + v. (seem, happen, appear; is said/known/reported) + to do = It + v. + that
to do 不定式特殊用法 5
1. He is known _________ (get) angry easily.
2. AIDS is said ____________ (be) the biggest health challenge to both men and women in that area over the past few years.
3. Mr. Green is said ____________ (do) the experiment which led to the new discovery in medicine.
to have been
to get
to have done
Observe and Answer
On Sundays, he always has a lot of letters to write.
attribute 定语
2.Helen is always the first ___to come___ to the office.
3.Do you have anything ___to say___ for yourself
6.Thomas had years of hard work, little food, only a cold room __to live in____ and never had a moment to rest.
19.There is no need ___ to become____ too anxious about the result of the exam.
注：不定式做后置定语与其做修饰名词构成逻辑上的动宾关系、主谓关系以及同位关系（抽象名词之后）。
高中阶段常用 to do 做宾语的动词有：
long, want, expect, hope, desire, refuse, agree, pretend, promise, aim, choose, decide, claim, demand, learn, manage, afford, happen, fail, seem, appear, intend
高中阶段常用 to do 做宾补的动词有：
wish, get, cause, enable, ask, beg, expect, force, invite, permit, urge, remind, persuade, want, warn, allow, encourage, advise, prepare, etc.
注：suggest, demand, hope, claim, agree无此用法，需用宾语从句表达。