This wekend we going to the forest. in forest alot of trees and animals. in the outumn they are a lot of leaves .they painted in diffrents colors orange red green .its a very beaytifull .i like forest very muchэтими выходными мы хходили в лес .влесу много деревьев и животных .осенью там много много листьев .они раскрашены в разные цвета оранжевые красные зеленые .это очень красиво .я очень люблю лес.
She is a student, isn't she?
Yes she is. (a student)
We swam in the river yesterday. - Past Simple
We were swimming in the river when it began raining. - Past Contin.
We had swum before we began playing football. - Past Perfect
We had been swimming for half an hour and were cold. - Past Perfect Contin.