Определите времена данного 2ого упражнения пожалуйста

Вот ответ: 1) forgot 2) am trying 3) have just started 4) always tells 5) are getting 6) often takes

1 Diana sometimes forgets to do all her homework. 2 I'm trying to do this  exercise at the moment. 3 The students are just starting to get to know each other. 4 Our teacher always tells us a joke at the beginning of the lesson. 5 Our English tests are getting harder and harder! 6 Learning new vocabulary often takes a lot of hard work.