there have been a lot of laws controlling the pollution为什么用cotrolling

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there have been a lot of laws controlling the pollution为什么用cotrolling
there have been a lot of laws controlling the pollution为什么用cotrolling

there have been a lot of laws controlling the pollution为什么用cotrolling
there be + 名词 + 动词-ing句型,这里controlling与laws的关心是主动的,-ing表示主动.
例如：
There is a boy lying under the tree.

这里动词ING形式用于表示主动，法律用来控制污染是主动控制

there be 句型后面的动词一般都用ing形式这基本上是固定用法记住就行了

controlling the pollution做后置定语，动词做后置定语只能用ing或者ed 形势。表主动用Ing，表被动用ed

have been there 中文翻译 have been there what changes___in your life?A.is there B.are there C.have been there D.have there been There have been a couple where there's been 请翻译下,并且分下下语法 I never there before.A.have;been to B.have;been C.have;gone to D.have;gone 单选：() you () there before A.Have ...been B.Have ...gone C.Have ...been to D.Have..gone to. have been there 还是 have been to there Have you been in there?写成Have you been there? i have always been there i have never been there there must have been a million dollars there.为什么有两个there? They have a____ been there There have been 一般疑问句 have you brother been there? there must have been a storm there.__.a there couldn't be b.I think there was do you have a book?能回答i have?have you been theredo you have a book?能回答i have?have you been there?回答什么? there have been a great number of accidents lately.这句话不加been行么? I have just been to a shopping center with Michael,I've never been there before , I have been there,have been 是have been in还是have been to的缩写?