there is 还是there wasi saw that there is/was a bookstore.求告诉是is还是was就好了[bookstore是至今还存在的]

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thereis还是therewasisawthatthereis/wasabookstore.求告诉是is还是was就好了[bookstore是至今还存在的]thereis还是therewasisaw

there is 还是there wasi saw that there is/was a bookstore.求告诉是is还是was就好了[bookstore是至今还存在的]
there is 还是there was
i saw that there is/was a bookstore.
求告诉是is还是was就好了
[bookstore是至今还存在的]

there is 还是there wasi saw that there is/was a bookstore.求告诉是is还是was就好了[bookstore是至今还存在的]
was 因为已经是过去式了.但是你可以在后面再写一个句子大概就是说现在还存在着

用was,你前面是saw,说明是当时看到的,那就是当时有。现在有没有不影响。

要用was, 因为要跟前面的saw对应。

There is + 单数名词, 用于一般现在时 There is a book on the desk.
There are +复数名词, 用于一般现在时,There are some books on the desk.
There was + 单数名词, 用于一般过去时 There was a book on the desk just now.
There wer...

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There is + 单数名词, 用于一般现在时 There is a book on the desk.
There are +复数名词, 用于一般现在时,There are some books on the desk.
There was + 单数名词, 用于一般过去时 There was a book on the desk just now.
There were+复数名词, 用于一般过去时 There were some books on the desk just now.
没有there have/has/had 但是有there have been/ has been/ had been 分别对应现在完成时和过去完成时。
单独用have has had 主语就不能再是there了
I have a book.
He has a book.
We had much money last year.
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