1) I went to school yesterday. 2) I was playing volleyball with my friends at 5 o'clock yesterday. 3) He didn't understand you yesterday. 4) I was drinking water at 7 o'clock. 5) Did you buy magazine?6) Did you sleep in the afternoon? 7) Did you give him his present? 8) She didn't upset. 9) He didn't want to buy telephone. 10) He came to home yesterday.