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All continuous tenses are formed with BE + GERUND (V-ing)

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future of HAVE + participle
In 5 years, I will have received my degree.

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present of HAVE + participle
I've known her all my life.
She has always been my best friend.

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past of HAVE + participle
Had you read the book before you saw the film?

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All perfect tenses are formed with
HAVE + PARTICIPLE

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present of HAVE + participle of BE + gerund
He has been living here for 10 years.

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future of HAVE + participle of BE + gerund
Next month, my girlfriend and I will have been dating for a year.

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past of HAVE + participle of BE + gerund
I had been saving my money for 5 years when I was finally able to buy a motorbike.

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future of BE + gerund
Tomorrow at this time, I'll be reading a book on the beach.

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past of BE + gerund
I was sleeping when you called.

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present of BE + gerund
Are you doing anything now?