itis改为复数 It is a kite改为复数句

It is a kite改为复数句  

It is a kite改为复数句

These are some kites。

将单数句变为复数句的时候,需要注意以下要点：

（1）指示代词this或that分别变为these或those；

（2）am或is要变为are；

（3）不定冠词a（an）要去掉;

（4）可数名词单数要为复数形式（名词单数变为复数怎样变）；

（5）如果主语是人称代词时,它们也变为复数形式,即：I-we;you-you;she/he/it-they

a kite is in the box 改为复数句

你好，很高兴在这里回答你的问题：
.
.
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Some kites are in the boxes.

This is his ruler(改为复数句) That is my key(改为复数句) These are his brother

These are his rulers.
Those are my keys.
This is his brother.

1.This is my sister.改为复数句2.That is my friend.改为复数句

1.These are my sisters.
2.Those are my friends.
this复数these 这些
that复数those 那些

改为复数句

Our dogs are under the trees.

单数句改为复数句

The boys are going to have an English lesson.
单数变复数，前面人称要变，BE动词也要随之改变，TO后面所接不定式不需要变。

that is a photo改为复数句

These are photos.

This is an orange改为复数句

These are oranges.
this的复数是 these