1. What is this? -> What are these

2. This is a chair. -> These are chairs

3. I am a student. ->  We are students

4. It is an eraser. -> They are erasers 

5. Is that your pen? -> Are those your pens ?

Đổi các câu sau sang dạng số nhiều.

Ex: That is a board -> Those are boards

1. What is this? -> What are these?

2. This is a chair. -> These are chairs.

3. I am a student. -> We are students.

4. It is an eraser. -> They are erasers.

5. Is that your pen? -> Are those your pens?

1. What is this? -> What are there.

2. This is a chair -> These are chairs.

3. I am a student. -> We are students.

4. It is an eraser. -> They are erasers.

5. Is that your pen? -> Are those your pens?

1. What is that? It's a pen

\(\Rightarrow\) What are those? Those are pens

2. It is a couch.

\(\Rightarrow\) There are couches

3. Is this your bookshelf?

    - Yes, it is

\(\Rightarrow\) Are these your bookshelves?

    - Yes, these are

4. There is a lamp on the table.

\(\Rightarrow\) There are lamps on the table.

5. I am a nurse

\(\Rightarrow\) We are nurses

Đổi các câu sau sang dạng số nhiều

1. What is that? It's a pen

What are those? Those are pens

2. It is a couch.

They are couches.

3. Is this your bookshelf?

    - Yes, it is

Are these your bookshelves?

    - Yes, they are

4. There is a lamp on the table.

There are lamps on the table.

5. I am a nurse.

We are nurse.

1. What is that? It's a pen

What are those? They are pens.

2. It is a couch.

They are couches.

3. Is this your bookshelf?

    - Yes, it is

Are these your bookshelves?

- Yes, they are.

4. There is a lamp on the table.

There are lamps on the table.

5. I am a nurse

We are nurses.

1. What is that? It's a pen.

=> What are there? They're pens.

2. It is a couch.

=> They are couches.

3. Is this your bookshelf?

    - Yes, it is

=> Are there your bookshelf?

    - Yes, they are

4. There is a lamp on the table.

=> There are lamps on the table.

5. I am a nurse.

=> We are nurses.

1.these are armchairs

2.we are  students

3.they are couches

4.these are lakes near the house

5.what are these? these are stereos

 6.what are those? those are bookshelves

7.those are erasers

1.This house is big.

These houses are big.

2. Is it your pen? - Yes, it is.

Are these them pens? - Yes, they are

3. Is this cough school? No, it isn't

Are these coughes school? No, they aren't

4. That room isn't smalll

Those rooms aren't small.

5. What is that? It's an eraser

What are those? Those are erasers

1.this house is big

-> These houses are big.

2. is it your pen ? yes, it is

-> Are they your pens ? -> Yes, they are.

3. is this couch school ? no, it isn't

-> Are these couches school ? No, they aren't.

4. that room isn't small

-> Those rooms aren't small.

5. what 's that ? it 's an eraser

-> What are those ? Those are erasers.

Đổi các câu sang dạng số nhiều :

1. This house is big.

=> These houses are big.

2. Is it your pen? Yes, it is.

=> Are they your pens? Yes, they are.

3. Is this couch school? No, it isn't.

=> Are these couches school? No, they aren't.

4. That room isn't small.

=> Those rooms aren't small.

5. What's that? It's an eraser.

=> What are those? They are erasers.

1.This house is big.

=> These houses are big.

2. Is it your pen ? Yes, it is.

=> Are they your pens? Yes, they are.

3. Is this couch small ? No, it isn't.

=> Are these couches small? No, they aren't.

4. That room isn't small.

=> Those rooms aren't small.

5. What 's that ? It 's an eraser.

=> What're those? They're erasers

1. This house is big.

=> These houses are big.

2. Is it your pen? Yes, it is.

=> Are they your pens? Yes, they are.

3. Is this couch small? No, it isn't.

=> Are these couches small? No, they aren't.

4. That room isn't small.

=> Those rooms aren't small.

5. What's that? It's an eraser.

=> What're those? They're erasers.

1.What are they? They are pens.

2.They are benches.

3.They are bookshelf right?

-Yes,they are

4.There are many lamps on the table.

5.I'm a lots of nurses.

chuyển các câu dưới đây sang dạng số nhiều

Is that your work book

1. This house is old

-> These houses are old.

2. That box is small

-> Those boxes are small.

3. Is Lan's sister beautiful ?

-> Are Lan's sisters beautiful ?

4. He is our teacher

-> They are our teachers.

5. Who's he ?

-> Who are they ?

6. Is this a ruler or an eraser ?

-> Are these rulers or erasers ?

7. What is this ?

-> What are these ?

8. Your chair is old

-> Your chairs are old.

9. There is a garden behind my house

-> There are gardens behind my house.

10. No, it isn't. It's new.

-> No, they aren't. They are new.