(共16张PPT)
英语“三单”精讲
he、she、it、singular/uncountable nouns
三单、三单动词变化
CONTENTS
目录
1
什么是“三单”?
WHAT IS THIRD PERSON SINGULAR
2
哪些是“三单”?
WHAT BELONGS TO THIRD PERSON SINGULAR
3
怎么用“三单”动词?
HOW TO USE VERBS?
01
什么是“三单”
WHAT IS THIRD PERSON SINGULAR
√ “三单”是第三人称单数
√ 在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式。
什么是“三单”?
WHAT IS
THIRD PERSON
SINGULAR
人称代词(主格)
第一人称——I、we
第二人称——you
第三人称——he、she、it、they
“三单”
“三单”指动词第三人称单数
三——第三人称
单——单数
什么是“三单”?
WHAT IS
THIRD PERSON
SINGULAR
人称代词(主格)
02
哪些是“三单”
WHAT BELONGS TO
THIRD PERSON SINGULAR
√ 非你非我非复数
常见三单要记住
哪些是“三单”
WHAT BELONGS TO
THIRD PERSON SINGULAR
非你非我非复数
常见三单要记住
①第三人称单数作主语:he、she、it
He lives in a different town. 他住在不同的城镇。
She watches a film at the cinema with her mum.她和妈妈在电影院看电影。
It never washes its face,Shelly. Shelly,它从来不洗脸。
②专有名词作主语:人名、地名、国家等
Maria speaks four languages. 玛利亚会说四种语言。
Gill is an English teacher. 吉尔是一名英语老师。
Monday comes before Tuesday.星期二之前是星期一。
China is a great country. 中国是一个伟大的国家。
③不可数名词作主语
Milk is good for us. 牛奶对我们有好处。
Water boils at 100 degrees Celsius. 水在100°沸腾。
哪些是“三单”
WHAT BELONGS TO
THIRD PERSON SINGULAR
非你非我非复数
常见三单要记住
④物主代词+单数名词作主语
Peter's car is always dirty. 彼得的车总是那么脏。
My sister goes to school by bus. 我姐姐坐公交车上学。
⑤复合不定代词或指示代词作主语:something、everybody、nothing等
Something is better than nothing. 有总比没有强。(聊胜于无)
综上:非我(I)非你(you)非复数
哪些是“三单”
WHAT BELONGS TO THIRD PERSON SINGULAR?
练习:
找出属于三单的内容↓ ↓ ↓
Lily it Maria the shops Peter's car Laura and I
she The City Museum They shoes Sam Jackie
We Water my parents my teacher You my job classmates
04
怎么用“三单”动词
HOW TO USE VERBS?
适用一般情况,+s、+es、+ies
HOW TO USE VERBS?
怎么用“三单”动词
一般动词短尾巴+s
make—makes cost—costs eat—eats think—thinks
dance—dances sleep—sleeps meet—meets
以S、X、O、Sh、Ch结尾,长尾巴+es
s结尾:guess—guesses
x结尾:fix—fixes
o结尾:go—goes do—does
sh结尾:wash—washes finish—finishes brush—brushes
ch结尾:teach—teaches watch—watches
辅音+y先去y,ies再跟上
元音+y,短尾巴+s
特殊还属be和have,变成is和has
辅音+y:fly—flies study—studies carry—carries try—tries
元音+y:play—plays
be—is
have—has
怎么用“三单”动词
HOW TO USE VERBS?
一般动词短尾巴+s
01
make—makes:
第一人称:I make a cake.
第三人称:She makes a cake.
dance—dances:
第一人称:I dance in the classroom.
第三人称:She dancein the classroom.
怎么用“三单”动词
HOW TO USE VERBS?
以S、X、O、Sh、Ch结尾,长尾巴+es
02
go—goes:
第一人称:I go to school by bus.
第三人称:She goes to school by bus.
finish—finishes:
第一人称:I finish my homework.
第三人称:She finishes her homework.
怎么用“三单”动词
HOW TO USE VERBS?
辅音+y先去y,ies再跟上,元音+y,短尾巴+s
03
fly—flies:
第一人称:I fly kite with my friends.
第三人称:She flies kite with friends.
study—studies:
第一人称:I study hard.
第三人称:She studies hard.
怎么用“三单”动词
HOW TO USE VERBS?
特殊还属be和have,变成is和has
04
have—has:
第一人称:I have a book.
第三人称:She has a book.
be—is:
第一人称:I am a student.
第三人称:She is a student.
谢谢观看
THANKS
三单、三单动词变化