什么时候用am is are，什么时候直接用be 英语中什么时候用are什么时候用is

\u82f1\u8bed\u53e5\u5b50\u4e2d,\u4ec0\u4e48\u65f6\u5019\u7528be,\u4ec0\u4e48\u65f6\u5019\u7528\u5177\u4f53\u7684 am is are

Be
\u662fam
is
are\u7684\u539f\u578b\uff0c\u5f53\u9700\u8981\u7528\u539f\u578b\u7684\u65f6\u5019\u5c31\u7528be\u3002
\u6bd4\u5982\u6240\uff0cto
be
adj.
Would/will/Can/Could/May/Might/Shall
+
Be,
\u5176\u4ed6\u666e\u901a\u60c5\u51b5\u7528am
is
are\u3002
\u6bd4\u5982He
is
a
student.
I
am
a
student
too.
We
are
students.

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am是用在主语是第一人称I 的时候，I am a girl
is 是用在单数，第三人称的时候，he is boy
Are是用在复数和第二人称的时候，you are a boy ,we are boys
be 就是am ,is are 的原形，用在祈使句：
be careful
用在情态动词后
it must be TERRIBLE

i am here
she/he/it is here
we/you are here

be careful/mindful/cheerful

扩展阅读：什么时候用be不用is ... is are am三者的区别 ... am is are的用法口诀 ... amisare的三种时态 ... am is are的过去式 ... am用在什么情况下 ... am is are的口诀小学 ... am is are的用法巧记 ... am is are 用法的题目小学 ...