there be 和used tothere uesd to be a buiding here.变否定,一般疑问句及回答There didn't use to be a building here.Did there use to be a building here?Yes,there did.No,there didn't.还是There uesdn't to be a buiding here.There isn't uesd to

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there be 和used tothere uesd to be a buiding here.变否定,一般疑问句及回答There didn't use to be a building here.Did there use to be a building here?Yes,there did.No,there didn't.还是There uesdn't to be a buiding here.There isn't uesd to

there be 和used tothere uesd to be a buiding here.变否定,一般疑问句及回答There didn't use to be a building here.Did there use to be a building here?Yes,there did.No,there didn't.还是There uesdn't to be a buiding here.There isn't uesd to
there be 和used to
there uesd to be a buiding here.
变否定,一般疑问句及回答
There didn't use to be a building here.
Did there use to be a building here?
Yes,there did.
No,there didn't.
还是
There uesdn't to be a buiding here.
There isn't uesd to be a buiding here.
Was there ues to be a buiding here?
Yes,there was.
No,there wasn't.

there be 和used tothere uesd to be a buiding here.变否定,一般疑问句及回答There didn't use to be a building here.Did there use to be a building here?Yes,there did.No,there didn't.还是There uesdn't to be a buiding here.There isn't uesd to
答案是
There didn't use to be a building here.
Did there use to be a building here?
Yes,there did.
No,there didn't.
很明显,用过去时.

There didn't use to be a building here.
Did there use to be a building here?
Yes,there did.
No,there didn't.

FG