there are many large building near the river.
>>there are many large buildings near the river.
there are some knifes on the table.
>>there are some knives on the table.
there are some newspaper on the sofa.
>>there are some newspapers on the sofa.
there is a knife and a fork on the plate.
>>there is a knife and fork on the plate.或
>>there are a knife and a fork on the plate.
this old book is one of them best sellers.
>>this old book is one of the best sellers.
are your father in law a teacher or an engineer?
>>is your father in law a teacher or an engineer?
a half of the teachers likes the student very much.
>>a half of the teachers like the student very much.
there aren't some magazines on the television.
>>there aren't any magazines on the television.