句子单数变复数

Question

2: That is an eraser.
3: It is a red apple.
4: I am a boy.
5: He / She is a teacher.

Answer 1

2: Those are( some )erasers.
3: They are (some )red apples.
4: We are boys.
5: They are teachers.

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This is a book. What’s this?

追答

These are (some ) books.
What are these ?

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Answer 2

They are two erasers.

They are two red apples.

We are boys.
They are teachers.

句子单数变复数一定要把is改成are，two可以随意改，不过一定要改成2或2以上的数。还有，后面的名词也要加s或es。