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it is 和there is 的异同

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/18 03:29:05
it is 和there is 的异同
例如,it is no need 还是 there is no need?
能否说得详细点,或归纳一些词语用法,例如it is necessary to do sth 就用it is 之类的,
There is 表示存在.某时(地)由某物.It's是后面的从句或不定式的形式主语.
There is no need for you to do sth是表示不存在这种必要去做某事.它等同于It's necessary .
我们会说.There is a bed in the room./It's hard to learn math.(=To learn math is hard.)
There is no doubt that Tom will win.
It's not doubtful that Tom will win.
其实There is 后面多数时候接名词.It's 后面多为形容词.在不得已的时候可以这样判断.但不包含特殊情况
做这个答谢记得我的问题的某人.