`1)` I am not a teacher. I am a student

`2)` They are not at home they are on holiday

`3)` She is my best friend

`4)` We are not excited. We are cool

`5)` I am ten years old

`->` I + tobe + số tuổi + years old 

`6)` My mother is not a cook 

`7)` My grandfather is very healthy 

`->` S + tobe + very + tính từ

`=>` Ta có công thức của tobe như sau:

I + am (am not) + V 

He,she,it + is (is not) + V 

You,we,they + are (are not) + V 

_______________________________

`1)` We have near the bridge a lovely house

`2)` I have for the party enough time

`3)` She has good marks

`4)` They have lots of money

`->` lots of + N(số nhiều)

`5)` My brother has glasses

`6)` She has a new bracelet

`7)` They have lots of books to read

`=>` Ta có công thức have,has như sau:

I,you,we,they + have 

He,she,it + has 

D) Put in order " am - is - are ". 1) I am not a teacher . I am a student. 2) They are not at home they are on holiday. 3) She is my best friend. 4) We are not excited. We are cool. 5) I am ten years old. 6) My mother is not a cook. 7) My grandfather is very healthy. E) Put in orrder " have - has " 1) We has near the bridge a lovely house. 2) I have for the party enough time. 3) She has good marks. 4) They has lots of money 5) My brother has glasses 6) She has a new bracelet 7) They has lots of books to read.