is是什么意思

is

是

be 的第三人称单数现在时形式，常放在其他词后缩写为 -’s

过去式 was

eg

Much of the form was not applicable to me.

It is an undeniable fact that crime is increasing.

New York is where the action is.

词组短语

which is 哪个是；从句的表达形式之一;

that is 即；就是说；换言之;

he is 他是…;

what is 什么是;

who is 谁是;

she is 她是;

is required 是必须的;

as it is 实际上；事实上；既然如此;

is coming 正过来;

is likely to 有可能…;

as is 照原来的样子；本来就是这样；

what it is 原因；事实真相；理由