Present Simple
一般现在时
例如：
I eat
You eat
He/She/It eats
They eat
We eat
For positive statements:
肯定句
I/You/We/They + verb + object/complement
例如：
I eat pizza.
He/She/It + verb + s +object/complement
She eats pizza.
For negative statements:
否定句
Subject + don’t/doesn’t + verb + object/complement
例如：
I don’t eat pizza.
She doesn’t eat pizza.
For questions:
疑问句
Question word + do/does + subject + verb
例如：
Where do you live?
Where does he live?
We use the present simple tense for repeated or regular actions in the present time period.
经常发生的事情或者重复发生的事情我们用一般现在时
例如：
I ride my bicycle to school.
My father drives his car to work.
We use the present simple tense for habits.
习惯我们用一般现在时
例如：
I eat rice every morning.
Billy plays football twice a week.
My family travels to California every summer.
We use the present simple tense for facts.
事实我们用一般现在时
例如：
John lives in Chicago.
Sam has three brothers.
Susan and Ed are married.
We use the present simple tense for things that are always or generally true.
真理我们用一般现在时
例如：
People in Spain speak Spanish.
It snows a lot in Canada.
Doctors make a lot of money.
Present Progressive
现在进行时
Subject + to be + verb + ing + object/complement.
例如：
I am eating.
You are eating.
He/She/It is running.
They are sitting.
We are going home.
To make a negative statement , we use:
否定句
Subject + to be + not+ verb + ing+ object/complement
例如：
I am not eating pizza.
She is not eating pizza.
To make a question:
疑问句
To be + subject + verb + ing + object/complement
例如：
Are you listening to me?
Is he eating?
The present progressive is used to show actions that are happening right now.
此时此刻正在发生的事情用现在进行时
例如：
My sister is eating a banana right now.
Please stop making so much noise.
We are studying.
We use the present progressive to talk about actions that are true at the moment, but not always true.
我们讨论现在真实发生的事情但不限于一直真实的事情，我们用现在进行时
例如：
My brother is working at the hospital.
I am training for a marathon.
Present Simple or Progressive?
如何选择一般现在时和现在进行时
We use present simple for habits and facts.
事实和习惯我们用一般现在时
例如：
I walk to school every morning.
Grass is green.
We use the present progressive for events that are happening right now or that are temporary.
此时此刻或者这段时间正在发生的事情，我们用现在进行时
例如：
I am sitting in a chair. (right now)
I am studying English these days. (temporary)
My brother works in a hospital.
(he has been working there for a while, and will probably work there for a long time)
（他在医院工作了一段时间，而且可能将在这里工作很长一段时间）
My brother is working in McDonalds.
(he is working there these days, but doesn’t plan to work there for very long)
（这些天他在麦当劳工作，但是他不会计划在这里工作太长时间）