Present Tenses – Free Exercise

Exercises

Choose the correct verbs so that each tense appears once.
Present simple/progressive, present perfect simple/progressive, future I simple/progressive

1. I  answerare answeringhave answeredhave been answeringwill answerwill be answering five e-mails so far.signal words so far, emphasis on the result → present perfect simple
2. She  worksis workinghas workedhas been workingwill workwill be working since seven o’clock.signal word since (emphasis on the time) → present perfect progressive
3. Sandy and her mum  bakeare bakinghave bakedhave been bakingwill bakewill be baking a cake at the moment.signal words at the moment → present progressive
4. Let's ask Tom. He  probably knowis probably knowinghas probably knownhas probably been knowingwill probably knowwill probably be knowing the answer.signal word probably (supposition) → future I simple|know is a verb that we generally don't use in the progressive form
5. They  probably watchis probably watchinghave probably watchedhave probably been watchingwill probably watchwill probably be watching TV right now.supposition about the progression of an action, signal word probably → future I progressive|present progressive would also be correct (especially in American English), but then it would have to be are probably watching.
6. She is well-informed about politics because she  readsis readinghas readhas been readingwill readwill be reading the newspaper every day.signal words every day → simple present