改复数句子This is my friendThis is a bookThat is her brotherThis is a bikeThat is an eraserIt is a red orangeHe is a teacherWhat's thisThis is my motherHe is a Chinese boy

改复数句子This is my friendThis is a bookThat is her brotherThis is a bikeThat is an eraserIt is a red orangeHe is a teacherWhat's thisThis is my motherHe is a Chinese boy
改复数句子
This is my friend
This is a book
That is her brother
This is a bike
That is an eraser
It is a red orange
He is a teacher
What's this
This is my mother
He is a Chinese boy

改复数句子This is my friendThis is a bookThat is her brotherThis is a bikeThat is an eraserIt is a red orangeHe is a teacherWhat's thisThis is my motherHe is a Chinese boy
This are my friends
This are books
That are her brothers
This are bikes
That are erasers
there are red oranges
They are teacher
What are this
they are their mothers
They are Chinese boys

this改为these;that改为those;is改为are;it he she改为they;my 改为our；her改为their；friend之类的词后面加一个s 如friends；所有的a 都去掉；what's=what is 其他不变

These are my friends.
These are books.
Those are her brothers.
These are bikes.
Those are erasers.
They are red oranges.
They are teachers.
What are these?
These are our mothers.
They are Chinese boys.

您好，你给的句子都是简单句，简单句变成复数，只需要把简单句中的指示代词（is、this-these、that-those、he-they）等变成相对应的复数形式，同时把不定冠词去掉，但定冠词保留不变，把句子中的系统词（is—are），最后把句子中的名次变成相对应的复数形式，就可以了！故一下句子变成复数形式之后：
This is my friend_____________These are...

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您好，你给的句子都是简单句，简单句变成复数，只需要把简单句中的指示代词（is、this-these、that-those、he-they）等变成相对应的复数形式，同时把不定冠词去掉，但定冠词保留不变，把句子中的系统词（is—are），最后把句子中的名次变成相对应的复数形式，就可以了！故一下句子变成复数形式之后：
This is my friend_____________These are my friends.
This is a book________________These are books.
That is her brother___________Those are her brothers.
This is a bike________________These are bikes.
That is an eraser_____________Those are erasers
It is a red orange____________These are red oranges.
He is a teacher_______________They are teachers.
What's this___________________What are those?
This is my mother_____________These are my mothers.
He is a Chinese boy___________They are Chinese boys.
注意不要拼错单词了！

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