改否定句和一般疑问句there were about nine hundred people at the concert.there was only one problem.last week i read an english book.my brother was in the park just now.she had some bread for lunch today.

1.Were there about nine people at the concert?
There were not about nine people at the concert.
2.There was not only one problem
Was there only one problem?
3.Was you read an English book last week?
Last week I was not read an English book.
4.My brother was not in the park just now.
Was your brother in the park just now?
5.She had not any bread for lunch today.
Did she have any bread for lunch today?
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1. There were about nine hundred people at the concert.
否定句：There weren't about nine hundred people at the concert.
一般疑问句：Were there about nine hundred people at the concert?
2. There was only one problem.
否定句：There wasn't only one problem.
一般疑问句：Was there only one problem?
3. Last week i read an english book.
否定句：Last week I didn't read an English book.
一般疑问句：Did you read an English book last week?
4. My brother was in the park just now.
否定句：My brother wasn't in the park just now.
一般疑问句：Was your brother in the park just now?
5. She had some bread for lunch today.
否定句：She didn't have any bread for lunch today.
一般疑问句：Did she have any bread for lunch today?

there weren't about nine hundred people at the concert.
were there about nine hundred people at the concert?
there wasn't a problem.
were there any problems?
last week i didn't read an english book.
did you read an english book last week?
my brother wasn't in the park just now.
was your brother in the park just now?
she hadn't any bread for lunch today.
did she have any bread for lunch today?