Công thức thì HTĐ (V: tobe)

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

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

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EX5:

a. Who is that?

b. How old is your father?

How old + be + S? hỏi tuổi

tính từ sở hữu + N 

c. She is my sister.

d. This is my family.

This is + N số ít 

e. My mother is thirty years old.

S + be+  tuổi + years old

f. How old is your grandfather?

g. She is my grandmother.

h. My sister is cute.

S + be + ADJ 

EX6:

a. That 

That is + N số ít 

b. he is.

Is + S số ít + ...?

--> Yes, S + is / No, S + isn't

c. How old 

d. is 

e. His name

One's name + be+ tên

f. Is 

g. years old 

h. Who

Who: ai 

i. What are these?

What + are+ these / those? đây / đó là cái gì?

k. it isn't.

`color{orange}{~LeAiFuRuiHuiBao~}`