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is连着他,她,它.
is are在单数名词和复数名词中的应用
如： ?
? Whose dress ______ this?
This ______ not Colin 's pencil.
There ______ a girl in the room.
Whose socks ______ they?
There ____ some apples on the tree.
Mike and Liu Tao ____ at school.
单数名词用is
复数名词全用are
am, is, are,在否定句和疑问句中的用法
Are there any kites in the classroom?
I am not student.
He isn’t my friend.
Is your father a worker?
The pens aren’t red.??
变否定，
be后not莫忘记
变疑问，往前提，句末问号莫丢弃
我用am，你用are，is连着他，她，它；
? 单数名词用is，复数名词全用are.?
变疑问，往前提，句末问号莫丢弃?
变否定，更容易，be后not莫忘记?
疑问否定任你变，句首大写莫迟疑
I ___ a boy.
2. The girl ___ Alice's sister.
3. Whose socks ______ they?
4. You ____ boys. .
5____ your brother in the classroom?