Be动词用法口诀

如题所述

我(i)用am,你(you)用are,
is连着他(he),她(she),它(it);
这些是固定用法:
i
am
a
boy.
(你不能说
i
is
a
boy)
you
are
a
student.
he
is
a
boy.
she
is
a
girl.
it
is
a
cat.
单数名词用is,复数名词全用are。(主语个数是一个时,谓语用单数is,主语个数为2个或以上,谓语用复数are.)如:
the
book
is
over
there.(一本书)
the
books
are
over
there.(多本书)
变疑问,往前提,句末问号莫丢弃。(陈述句中谓语为is,are,am时,变疑问句只将其提前)如:
it
is
a
book.变为:is
it
a
book?
变否定,更容易,
be后not莫忘记。如:
it
is
a
book.变为:
it
is
not
a
book.(否定句)
疑问否定任你变,句首大写莫迟疑。如:
it
is
a
book.变为:is
not
it
a
book?(疑问否定句)
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