Đáp án:

1. Is that your teacher? No. This is my teacher.

2. Are there many books on the bookshelf?

3. How old is your brother? He is one.

4. This is not my pen. It is her pen.

5. What are these? They are ink-pots.

6. Minh lives with his brother in an apartment in the city.

7. Mrs. Lan and her children travel to London by plane.

8. My sister has a bike and she cycles to work every day.

9. Where are the dogs? They are in the yard.

10. Does your brother do his homework after dinner in the evening? 

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Công thức thì Hiện tại đơn (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

Công thức thì Hiện tại đơn (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,...

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This/ That + is + N số ít 

These / Those +are + N số nhiều

How old + be + S? hỏi tuổi 

live with sb: sống với ai 

an + N số ít ,đếm được (an dùng khi đứng đầu là nguyên âm UEOAI)

by + phương tiện 

do homework: làm bài tập về nhà 

in + buổi