Here are the corrected sentences with the appropriate verb forms:

1. The tourists usually want to try the famous Toblerone chocolate from Switzerland.
2. They canceled the picnic because the weather was really bad.
3. Ms. Ronnie can't meet you right now because she is teaching in the classroom.
4. Did your father watch car racing on TV last night?
5. Mum is searching for her cooking programme at the moment.
6. The flight to Birmingham arrives at 1.30 p.m. local time.
7. Albert won the first prize in the skiing competition 3 years ago.
8. Don't talk too loud, Gwen! Your sister is sleeping.
9. They held the Olympic Games in Tokyo in 2021.
10. It was great to have a family gathering last weekend.
11. Last Sunday, I traveled around by bus with some of my friends.
12. They did not visit many interesting places during their trip.
13. Yesterday afternoon he went to his basketball club.
14. What did Patrick eat at the night market 2 days ago?