Form:
Negative: Subject + will + have + not + been + verb + -ing
Interrogative: Will + subject + have + been + verb + -ing
Keywords: since, for
Exercises - Future perfect continuous
Score: 0
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1) Next year my mom will have been working worked here for 10 years.
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2) When I turn twenty, I will have been playing will play piano for ten years.
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3) You don't wait won't have been waiting for more than three hours when his plane finally arrives..
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4) When he finishes this course, he have studied will have been studying German for five years.
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5) When I come at 8 o'clock, will you have been practicing will you practice long?
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6) I have been waiting will have been waiting here for three hours by seven o'clock.
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7) How long will you study will you have been studying when you graduate?
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8) They will talk will have been talking for over an hour by the time he arrives.
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9) In December, we will work will have been working at this company for 6 years.
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10) By 2023 I will live will have been living in London for 10 years.
