资源简介

(共16张PPT)
UNIT
1
Time to Relax
Time to Relax
Section A 4a-4c
Learning goals
区分动词不定式在句子中“宾语补足语”和“状语”这两种句法功能；
理解动词不定式作“宾语补足语（补充说明宾语动作，常搭配感官/使役类动词）、作“状语”（多表目的等）的用法特点；
准确判断具体句子里,加粗动词不定式对应的功能类型。
01
Lead-in
What did we find in the game
I stand up to stretch my legs.
I open the book to read English.
I take out my pen to write down notes.
We made so many sentences with
“to + infinitives”
(不定式)
01
Lead-in
Grammar Tips
）为什么叫“不定式”？
英语里的infinitive这个名称，源于语法中“形式不受限定”的特点。
动词的不定式形式，不会随着主语的人称、数、时态变化而改变形式。
比如to read 不管是主语是I、You还是They，形式始终不变；而限定动词（如read、reads、read/red/）会根据主语或时态变化。
中文翻译“不定式”，就是这节对应这个“形式不受限定”的核心特征。
2）不定式的形式：
两种：原形动词和带to的不定式，即to +原形动词
主谓
Subject
Verb
主谓宾
Subject
Verb
Object
主系表
Subject
Verb
Predicate
主谓宾 宾补
Subject
Verb
Object
Complement
系动词：
1. be 动词（am/is/are/was/were）
2. 感官动词（look, sound, feel...）
3. 变化类（become, get）
/ pred k t/
She sings.
She sings a song.
He is handsome.
She teaches him a song.
复习句子结构，分清句子成份
Decide if each infinitive in bold functions as an object complement or adverbial.
4a
Grammar Focus
object complement
宾语(补足语)
adverbial / d v bi l/
状语
encourage sb to do sth 鼓励某人做某事
expect sb to do sth 期待某人做某事
tell sb to do sth 告诉某人做某事
ask sb to do sth 请求某人做某事
invite sb to do sth 邀请某人做某事
teach sb to do sth教某人做某事
allow sb to do sth 允许某人做某事
…
带to的不定式（to +动词原形）的常见用法
want to do sth, 想要做某事
hope to do sth, 希望做某事
decide to do sth, 决定做某事
plan to do sth, 计划做某事
learn to do sth 学习做某事
would like to do sth 想要做某事
see
watch
hear
feel
notice
sb.
doing
do
I saw the old man cross the busy street safely with the help of a volunteer.
When I passed the classroom, I saw the students discussing their group project.
强调动作的全过程，或动作是经常性、习惯性的
强调动作正在进行，侧重动作的瞬间
感
官
动
词
不带 to 的不定式（动词原形）的常见用法
make
let
have
sb.
do
不定式 to 的省略
使
役
动
词
My mom makes me do some housework every weekend.
你还知道不定式的哪些用法呢？
1.A: Thanks for your advice! It made me__________ (decide) to try skiing.
B:You're welcome.Try_________(forget) your fears and have fun!
2.A:My cousin often asks me__________(fly) kites with her when it's windy.
B:That sounds fun! I'd love to watch you_________(fly) kites sometime.
3.A:I love to watch kung fu movies_________(relax).
B:Really When I want___________(relax), I watch animal videos.
4.A: My parents told me ___________(not push) myself too hard.
B:Yes, it's important____________ (not forget) to relax once in a while.
decide
to forget
to fly
fly
to relax
to relax
not to push
not to forget
make sb. do sth. 让某人做某事
try to do sth. 尝试做某事
ask sb. to do sth.要求某人做某事
watch sb. do sth.看某人做某事
want to do sth. 想要做某事
tell sb to do--tell sb not to do sth.告诉某人不要做某事
“it's + 形容词 + not to do sth.” 是常用结构
Complete the conversations with the correct forms of the verbs in brackets.
4b
I tell him to go to the playground.
动词不定式的否定形式
直接在不定式前加not, 即not to do...
否定形式：I tell him not to go to the playground.
I don’t tell him to go to the playground.
My twin brother and I look alike, but we are so different. I love sport, and I often meet my friends _________ football and tennis. My brother joined us to play football once or twice, but he decided ___________ after that. He doesn't like sport very much! Instead, he likes ______ at home and ________movies, _________to music, and __________ with friends online. Our parents were worried about him staying at home too much. They also wanted us ___________ more time together as a family. So, now they let us ______ our favourite activities on Saturdays, but on Sundays, we go on a family outing together!
chat (not) come do listen play spend stay watch
to play
not to come
to stay
watch
listen
chat
to spend
do
用动词不定式 “to play”作目的状语
decide not to do sth.决定不做某事
like to do sth. 喜欢做某事
want sb. to do sth. 想要某人做某事
let sb. do sth.让某人做某事
Complete the passage with the infinitive forms of the verbs in the box. What do you usually do outdoors
4c
01
Summary
01
Summary
I decide ________ to the mountains, but my sister wants ________ at home.
A. going; staying B. to go; staying C.to go; to stay
2
—Do you know how ________ this machine
—Yes, my father taught me last week.
A. operate B. to operate C. operated
3
I often forget ______ the door when I leave home, but yesterday I remembered ______ it.
A. to lock; locking B. locking; to lock C. to lock; to lock
1
Multiple choice.
1. Lisa and Betty like playing ping-pong, so they choose _________ (join) the ping-pong club.
2. The teacher asks us _________ (speak) English in class.
3. When you plan ________ (join) a club, the test can share some good ideas.
4. It is best ___________ (not agree) with others without further thinking.
5. It’s important for parents _________ (teach) their kids to use digital devices properly.
6. Look! The teenagers are making cards _________ (show) love for their mothers.
to join
用单词的适当形式填空。
to speak
to join
not to agree
to teach
to show

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