新概念英语第一册一年级上册Lesson Revision 1 -50课件(共18张PPT)

(共18张PPT)
Revision(II)
一般现在时：
定义：表示经常的、习惯性的动作或存在的状态。

信号词：every, sometimes,usually，often，always， at…, on Sunday
等。
1.be
型这一类型由be动词+名词、形容词、副词、代词、数词
或介词短语等一起构
成谓语，表示主语的个性、特征或状态。如：

①I am a student.(主语+be动词+名词)
②They are hungry.（主语+be动词+形容词）
③He is out.(主语+be动词+副词)
④That pen is mine.(主语+be动词+代词)
⑤I am fifteen.(主语+be动词+数词)
⑥The bike is under the tree.(主语+be动词+介词短语)
2.do
do型由行为动词充当谓语，表示经常性或习惯性的动作，
其构成“主语+动词原形或动词第三人称单数形式”。
如：①I know it.

②He believes me
II .Sentences.
1. I want some eggs.
主 谓 宾
I don’t want any eggs.
Do you want any eggs？
Yes, I do . No, I don’t.
What do you want
一般现在时(非单三人称）
2. They like pure honey.
They don’t like pure honey.
Do they like pure honey？
Yes, they do . No, they don’t.
What do they like
1. He likes peaches.
He doesn’t like peaches.
Does he like peaches？
Yes, he does. No, he doesn’t.
What does he like
一般现在时(单三人称）
动词变单三形式规则
1.一般情况+s
open clean sweep
get close sing
S
S
S
S
S
S
2.以s,x,ch,sh和o结尾+es
wash do
go watch
guess pass
es
es
es
es
es
es
动词变单三形式规则
3.元音加y真简单，s跟在y后面
辅音加y真奇怪，ies代替y
play fly
cry study
buy try
4.特殊变化
have be
s
--flies
--cries
--studies
--has
--is
s
--tries
变一变，并不难
1.clean 2.put
3.speak 4.meet
5.buy 6.eat
7.see 8.do
9.watch 10.study
11.sweep 12.draw
13.look 14.let
15.use 16.read
cleans puts
speaks meets
buys eats
sees does
watches studies
sweeps draws
looks lets
uses reads
but
tomatoes
potatoes
but
cabbages
lettuces
3.there be

there be型句子表“有”，其构成为“there be+主语+其他”，表示客观事实。用法遵循“就近原则”
，即主语是单数或并列主语中的第一个主语是单数，则用there is；主语是复数或并列主语中的第一个主语是复数，则用there are。如：
（1）
There is an eraser on the teacher's desk.(主语an eraser
是单数)
（2）
There is an orange，five apples and eight bananas in the bag.(并列主语中的第一个主语an orange是单数)
4.情态动词型


情态动词型句子的构成为
“主语+情态动词+动词原形”，
情态动词和动词原形一
起构成谓语，表示说话人对所叙述的动作或状态的看法。如：
①
He can speak a little English.(can+speak)

②
May I have a book, please (may+have)
翻译句子
1.她喜欢橘子么？
2.你想要一些糖么？
3.那个女人经常不去商店。
4.太阳升起的早。
5.他总是在中午吃午饭。
Does she like oranges？
Do you want any sugar？
That woman doesn't often go to the shop.
The sun rises early.
He always eats lunch at night.
句型转换
1. They want some sugar.(一般疑问句)
they want sugar
2.I like coffee. (划线部分提问)
you like
3 Do you want any chocolate (变肯定句)
_______________________.
4. I like fresh eggs. (否定句)
fresh eggs.
5.Does he wash his hands (肯定句)
_____ _____ his hands.
Do
any
What
do
I want some chocolate.
I
don’t
like
He
washes
1.Peter likes beans, but his father_______.
2.Sam wants peas, but I _______.
3.I like cabbages, but my mother_______.
4.Mrs White can type a letter,
but Mr Jones_____.
5.Mary is watching TV, but I _____.
But表转折
doesn’t
don’t
doesn’t.
can’t
am not
Homework
1. L50单词4+1听写签字
2. 练习册.
3. 读笔记5遍，签字。
4.背儿歌：