+she is wearing a nice dress now. + they are wearing new shoes. + you are wearing a smart coat. + i went to the cinema two days ago. + my mam bought a nice dress yesterday. + my best friend read a good book fast year. нужно! 25 очков! заранее !

Для первых трех в отрицательно надо поставить после is/are поставить not, а для вопросительных перенести эти is/are на первое место.
Например: They are not wearing new shoes.
Are they wearing new shoes?

3-6 - это предложения во времени Past simple. В этом времени вс глагол, при которого образуют отрицание и вопрос, это did.
При использовании did глагол ставится в 1 форму
I went to the cinema two days ago.
I did not go to the cinema two days ago.
Did I go to the cinema two days ago?

My mom bought a nice dress yesterday.
My mom did not buy a nice dress yesterday.
Did my mom buy a nice dress yesterday?

My best friend read a good book last year.
My best friend did not read a good book last year. (У глагола read совпадает написание форм)
Did my best friend read a good book last year?

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