Переделать утвердительные предложения в отрицательные…

1) He didn't see Tiny last FridayDid he see Tiny last Friday? 2) My friend didn't come on timeDid my friend come on time? 3) I didn't work at my homework a long timeDid I work at my homework a long time? 4) My sister didn't do her shopping on Sunday Did my sister do her shopping on Sunday? 5) The weather wasn't nice yesterdayWas the weather nice yesterday?