高中英语必修四unit2 Working the land Period4 Grammar课件（30张ppt）

(共30张PPT)
Book 4 unit 2 Working the Land
Period 4 Grammar
V-ing form as the subject and object
Master the sentence patterns with v-ing being the subject
Learn some verbs (phrases) and prepositions with v-ing being the object
Understand the differences between “v+ ving” and “v+ to do”
Learning Objectives
一、V-ing 作主语
Football is his favorite
sport
(play) football is his favorite sport
Playing
1. V-ing 位于句首作主语


(have) enough food leads to poor health
Not having
v-ing的否定: not doing
3. 没有足够的食物会导致健康不佳
1. Swimming is good,
but to swim in such a dirty river is bad for your health

Being invited

v-ing 作主语表示普遍的动作或经验
to do 作主语表示具体的或将来的动作
v-ing的被动：being done
2. (invite) to this party was a great honor to him
4. Watching a family of chimps wake up is the first activity of the day.
单个V-ing作句首主语时，谓语动词用单数
5. Listening to violin music and swimming (be) his hobbies
两个及以上的表达不同意义的v-ing 作主语，谓动用复数

is
6. Getting up early and going to bed early (be) good for your health.
are
两个及以上v-ing 作主语，表达一个整体概念，谓动用单数

Playing too many computer games


is
no good

.

It

is

no good

playing too much computer games

.
一、V-ing 作主语
2. V-ing位于句末作主语,句首it作形式主语
It is a waste of time/money/… doing sth
It is no n. (good/ use/ fun/pleasure…) doing sth

It is adj. ( useless/worth…) doing sth

掌握
一、V-ing 作主语
2. V-ing位于句末作主语,句首it作形式主语
There is no point/sense doing sth 做某事没有意义/道理
1）It is a waste of time/money… doing sth
It is a waste of time spending too much time on computer games.
一、V-ing 作主语
2. V-ing位于句末作主语,句首it作形式主语
2)It is no n.(good/use/fun/pleasure…) doing
It is no use crying over spilt milk
一、V-ing 作主语
2. V-ing位于句末作主语,句首it作形式主语
(覆水难收)
It is not good (arrive) late for a meeting.
to arrive
3）It is adj.(useless/worth/…) doing
一、V-ing 作主语
2. V-ing位于句末作主语,句首it作形式主语
It is useless worrying about it.
practise
quarrelling
(collect) stamps is interesting.
There is no point (quarrel) with him
It is no pleasure (watch) cartoons for her.
Collecting
watching
二、V-ing 作宾语

V-ing 作动词宾语&介词宾语
动宾
介宾
1. V-ing 作动词 宾语
只能用V-ing做宾语的动词如：
admit, allow, avoid, can’t help, consider, dislike, enjoy, finish, forbid, keep, mind(介意) , miss(错过), permit, practice, quit, suggest, etc.
二、V-ing 作宾语
积累识记
+
doing

practise
They are considering _______ (buy) a bigger house
He couldn’t help (cry) when she heard the news.
He couldn’t help (wash)the clothes.
We don’t permit (smoke) in the office.
Please permit me (give) you some advice.


buying
crying
to wash
smoking
to give

consider doing sth

can’t help doing

can’t help to do

permit doing sth

permit sb to do
2. V-ing 作介词 宾语
二、V-ing 作宾语
He sat there without saying anything.
He saw the great need for increasing the output.
They focus on keeping the soil rich.
Britons are used to driving on the right


介+v-ing
动+介+v-ing

on ,off, in, at, to, after, before, of, from, for, against, by , about, with, without

积累识记
这些词组中to 为介词，接v-ing 作宾语
look forward to (期待） pay attention to （注意）
contribute to (有助于) lead to (导致)
object to (反对) stick to （坚持)
due to (由于) limit to （局限于)
be devoted to（致力于） be addicted to （沉迷于）
be similar to (类似于) be equal to（胜任)
注意：
be used to doing 习惯做某事
used to do 过去常常做某事
The kids get paid for (do) housework.
My father gave up (smoke) many years ago
He object to (treat) like child
I am equal to (perform) this duty
He used to (work) until midnight.




practise
doing
smoking
being treated
performing
work

for doing

give up doing sth

object to doing sth

be equal to doing

used to do
1. V+ v-ing = v+ to do（意思上相近)
三、特殊情况
+ doing sth
+ to do sth
打算开始继续喜欢
Tom began to do his homework
Tom began doing his homework


intend
begin/start
continue
like/hate/love/prefer
2. v+ing ≠v+ to do
(forget remember regret)






√ Regret doing 遗憾做过
√ Regret to do 对要做某事表示遗憾
√ forget doing 忘记做过
√ forget to do 忘记要去做
√ remember doing 记得做过
√ remember to do 记得要去做
I regretted punishing him the other day.
I regret to tell you that you are fired.
三、特殊情况




√ go on doing 继续正在做的事
√ go on to do 继续去做另一件事
√ stop doing 停下来正在做的事
√ stop to do 停下来去做另一件事
三、特殊情况
3. v+ing ≠v+ to do
(stop go on)
Hearing the doorbell, she stopped washing the dishes.
Hearing the doorbell, she stopped to open the door.
4. V+ ing≠v+ to do
try mean




√ 意味着 mean doing
√ 打算/故意做 mean to do
√ 尝试着做 try doing
√努力去做 try to do
Missing this train means waiting for another hour
I don’t mean to hurt you.
三、特殊情况
5. need/want/
require to do
need/ want/
require doing
VS
主语常为物，表被动
三、特殊情况
I need to take some exercises.
The flower needs watering.
主语常为人
6. 固定句型

1）做某事有困难/麻烦
2）做某事很开心

三、特殊情况
have difficulty/trouble/problem/ doing sth
have a hard time doing sth
have fun doing sth
have a good time doing sth
掌握
3）花时间做某事、浪费时间做某事
Spend/waste time doing
四、Exercises
In western countries, ______ (arrive) too early for a dinner is considered bad manners.
It is no good （talk）to him.
When she heard her son had been injured in the accident, she couldn’t help ______(cry) out.
arriving
talking
crying
1. V-ing作句首主语
2. It is no good +doing sth
3. V (can’t help) +doing
After (graduate) from college, we finally got the chance to take a bike trip
Making Internet friends is similar to ________ (make)pen pals.
Every day the students spend three hours _________(do) their homework.
四、Exercises
graduating
making
doing
1. 介+doing
2. 动+介+doing
3. spend ….doing
As a result of the serious flood, two-thirds of the buildings in the area ________.
A. need repairing B. needs to repair
C. needs repairing D. need to repair

四、Exercises

Sth need doing 某物需要做，表被动
Sb need to do sth 某人需要做某事
I still remember ________ to see films in the open air when I was small.
A. to take B. taking
C. being taken D. to be taken

四、Exercises

Remember doing 记得做过某事
Remember to do sth 记得要去做 某事
Susan wanted to be independent of her parents. She tried ________ alone, but she didn’t like it and moved back home.
A. living B. to live
C. to be living D. having lived
四、Exercises

Try to do 努力做某事
Try doing 尝试着做某事
Memorize sentence patterns with v-ing being the subject
Find out more verbs /verb phrases with v-ing being the object.
Do grammar exercises about v-ing form being the subject and object.
Homework
THANK YOU!