I did my homework. I didn't do my homework. Did I do my homework? I started new book. I didn't start new book. Did I start new book? I slept. I didn't sleep. Did I sleep? (в отрицательных и вопросительных предложениях глагол должен стоять в первой форме) I saw that. I didn't see that. Did I see that? I. wanted to buy a chocolate. I didn't want to buy a chocolate. Did I want to buy a chocolate?
