поставьте предложения  в утвердительную, отрицательную и вопросительную формы. 1) She came to us yesterday.2) They watched this film last week.3) My mother bought a new book yesterday. 

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спасибо

Did she come to us yesterday?She didn't come to us yesterday/.Did they watch this film last week?They didn't watch this film last week.Did my mother buy a new book yesterday?My mother didn't buy a new book yesterday.