Hi again,
Tomy said he had bought a new car . OK
I went to the new cafe yesterday and I've drunk a nice coffee No or I went to the new cafe yesterday and I had a nice coffee .Yes, very good.
I met Tom in the morning and he was asking about the money you borrowed from him .
Rosy was asking you to go out with her to the station . or Rosy was asking u to come with her to the station . Both are OK
Tony went to the party that night and had a car accident . Tony has gone to the party and had car accident . No. Say it the first way.
Your past tense is not bad. You just have the wrong verb sometimes, eg 'have an accident, not 'get an accident'.
Do you want to try a few more sentences?
Clive