一般动词的现在时
1. be 动词的现在时
am are is 是… 在…
We are happy. She is in America.
主语（S）＋be动词(V)
第一人称 I am a boy.
第二人称、第三人称they/复数名词 you、they、复数 ＋are
You are my sons.你们是我的儿子。
第三人称单数+is. He is my student.
Be 动词的否定:am/are/is＋not
He is not a good baseball player.
He isn't a good baseball player.
He’s not a good baseball player.
are not aren’t
Be动词的疑问句
肯定句:主语＋am/are/is
疑问句:am/are/is＋主语
That is his camera. Is that his camera?
The girl is a junior high school student. senior high school 高中
Is the girl a junior high school student? junior high school 初中
Be动词开头的疑问句可用yes或no回答: Yes,S be. No,S be not.
Is that man your math teacher？ Yes,he is. No,he isn't
No,he is my PE teacher.
Are you eating your lunch？ Yes, I am. No,I am not.
2. 一般动词的现在式 习惯性的动作 正在做的动作
主语＋一般动词 现在时中主语为第三人称单数：一般动词＋s 或es
I like dogs. We like dogs.
You like dogs. You like dogs.
He likes dogs. They like dogs. 第三人称单数＋s
一般动词加s或es的方法:
大部分动词加s发音为s或z。 works无声[s]， plays有声[z]
一般动词字尾为o s sh ch 时加es goes[z] washes[iz] watches[iz]
一般动词字尾音为y时去y加ies cry cries study studies
Have和has have（有/吃）的单数动词为has。 They have a lot of money.(不可数) He has a lot of money. 三单数用has
一般动词的否定句:不可在一般动词后加not必须用助动词do/does
do用于主语为I you 复数
does用于主语为第三人称单数
否定句:主语＋do/does＋not＋原型动词
The twin brothers go to school by bus.
The twin brothers do not go to school by bus. don't
Sam has dinner at the restaurant.
Sam doesn't have dinner at the restaurant.
一般动词的疑问句：Do/Does＋主语＋ 动词原型。
You visit your grandmother on Sunday.
Do you visit your grandmother on Sunday?
He comes from England.
Does he come from England？
do/does开头的疑问句回答:用yes/no之后用do/ does回答
Does the little boy go to school?
Yes,he does. No,he doesn't
文中图片素材来源网络，如有侵权请联系删除
