my mother was at home yesterday改成肯定句,一般疑问句,否定句
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My
mother
was
at
home
yesterday.本来就是肯定句。否定句为：my
mother
wasn't
at
home
yesterday.
一般疑问句为：Was
your
mother
at
home
yesterday?
解析当原句中有be的形式如（am
is
are
was
were
)变否定句直接在其后加not，变一般疑问句，只需直接提前be动词就可。
mother
was
at
home
yesterday.本来就是肯定句。否定句为：my
mother
wasn't
at
home
yesterday.
一般疑问句为：Was
your
mother
at
home
yesterday?
解析当原句中有be的形式如（am
is
are
was
were
)变否定句直接在其后加not，变一般疑问句，只需直接提前be动词就可。
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