Present simple:

Động từ to be ( am/ is/ are )

S + am/ is/ are

Negative:

S + am not / isn't / aren't 

 Question:

Am / is / are + S + 

I + am

He/ She/ It/ + is

 You/ We/ They/  + are

Động từ to be thường dùng

S + v/bare ; or s/es.

S+ don't / doesn't + v/bare

Do / Does + v/bare ?

I  

You

                    + v/bare     Or  Do + S  + v/bare ?

We

They

Hoặc nếu ở thì negative:

I/you/we/they + don't + v/bare

VD:

I use computer.

They dont watch TV.

Do you like pizza?

He

She       +    s/es   or     Does + S  +  v/bare ?

It        

Hoặc nếu ở thì negative 

He/She/it + doesn't + v/bare

VD:

He likes playing football.

She loves reading book.

He 

Does he play computer?

Present continuous:

S + to be ( am/is/are) + v/ing 

Negative:

S + to be + not + v/ing

Question:

To be + S + v/ing

VD:

I am doing my homework.

She is cooking dinner

They are playing football

Are they playing games?

1. present simple 

- động từ TOBE 

+) S + am/ is/ are+ N/ Adj

-) S + am not / isn't / aren't + N /Adj 

?) Am / is / are + S + N/ Adj 

- I + am

- He/ She/ It/ + is

- You/ We/ They/  + are

- động từ THƯỜNG 

+) S + do / does + V s/es 

-) S + don't / doesn't + V

?) Do / does + S + V 

I / you / we / they + do 

She / he / it + does 

2. present continuous.

+)S + tobe ( am / is / are ) + Ving +....

-) S + tobe +not + Ving

?) Tobe + S + Ving