Ex 1
1) My cousin visited China last year.
2) Children ate ice cream yesterday.
3) Bob came home late yesterday.
4) We wrote a test five days ago.
Ex 2
1) My uncle didn't repair his car last Saturday.
2) Paul didn't present me beautiful flowers on Women's Day.
3) I didn't go to the gym yesterday morning.
4) My mum didn't buy me a nice dress yesterday.
Ex 3
1) Did he drive you to the hospital?
2) Did she sing on the last concert?
3) Did the owner open this restaurant some days ago?
4) Did he wash his car properly?
Ex 4
1) My family visited Sochi last summer.
2) Did Nick draw a nice picture for his mother?
3) My sister and I didn't go shopping yesterday.
4) We didn't meet our friends last week.