Sure, here are the conjugated verbs in the sentences:

1. I **take** the early train on Wednesdays and Fridays.
2. Lin often **helps** the staff in a local cafe.
3. The machines **work** very well when it's cold.
4. We **have** 3 hours of lessons on Monday mornings.
5. Can we speak later? I **am watching** a film.
6. What time **are you leaving** for school tomorrow?