Ответ:

если в прошедшем времени:

I won a prize yesterday.(я выиграл приз вчера)

I didn't win a prize yesterday.(я не выиграл приз вчера)

Did you win a prize yesterday?( ты выиграл вчера приз?)

Ответ: 1) I bought the book today

2) I did a homework and some other things

3) He was so excited

1) Where have you been

2) What did you do today

3) Did you play sports today

1) I didn't do anything

2)I didn't know how to cook

3)I haven't forgotten my promise