If you need to study certain grammar points some more, these presentations can help you.Some of them are downloaded from http://www.worldofteaching.com/englishpowerpointspresentations.html
If you want to revise irregular verbs, try playing this quiz
Start by clicking this link - https://play.kahoot.it/#/?quizId=0d00c579-f9f0-4a38-8d23-27f05e1a1689
Then go to: https://kahoot.it/#/
and enter the game pin.
Start by clicking this link - https://play.kahoot.it/#/?quizId=0d00c579-f9f0-4a38-8d23-27f05e1a1689
Then go to: https://kahoot.it/#/
and enter the game pin.