1) I have already cooked dinner by 6 o'clock and at 6 o'clock I was sitting and waiting for my husband.
2) He asked me what had happened and why I was crying.
3) He was very tired because he had been working for 10 hours but hadn't finished his work.
4) When Dad came home, he asked us what had happened.
5) At that moment John was reading the newspaper which he had bought in the morning.
1) My aunt comes on Saturday morning. Her train arrives at 10 am
2) I haven't seen Natasha today. I think she has gone on a business trip.
watch
go
don't have
do
speak
works
start
cook