Hi Uwe,
Have a go at this dialogue exercise:
If you have time over the next two weeks, you can do lots of listening to the vocabulary trainer and also with the pronunciation trainer.
Maybe you could also do this test:
On the 5th of June, we will record Past Simple Exercise 5, so practise reading it again. You can practise listening to the past tense verbs by going here:
Have a really great Pentecost and see you on the 5th of June!