Choose the correct verbs so that each tense appears once.

1. I answer/am answering/have answered/answered 5 e-mails so far.
2.She works/is working/has worked/worked since 7 o’clock.
3.Sandy and her mum bake/are baking/have baked/baked a cake at the moment.
4.They probably watch/are probably watching/have probably watched/watched TV right now.
5.My dad was in the garage all evening.He is/is being/has been/was since 5AM.