I didn't drop litter yesterday.
I won't drop litter tomorrow.
И так далее
Ответ:
When Ali arrived at the airport,Peter.....
c)had already left
Past Perfect tense 2 действия, одно из которых (Past Perfect) произошло раньше другого(Past Simple).
Объяснение:
He sleeps next to the fire and he burns his feet.
<span>1 Tom remarked
that he hadn`t expected him to be so young. 2 Jane muttered that she was sorry she
was late. 3 Jean said that her Dad would be fifty years old the following year.
4 Mother answered that the children were playing in the garden. 5 Sam said that
it was raining and told Boris to take an umbrella. 6. The teacher said in surprise
that she apologized but I had got a bad mark for my test. 7. Mike noted that he
had called him a few days before. 8 Vlad explained that he had had a flue, but
at that time he was feeling much better. 9 Lena told her friend that she was
going to the seaside for a holiday. 10. His friend shouted that it was a lie.</span>