[ Verb To Be ]
Las tres inflexiones del verbo TO BE son:
A. am – is – are
B. he – she – it
C. an – the – a
D. a – are – am

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Grammar › ViewShe _____________________ alone since she was 18.
A. Is living
B. Has been living
C. Lives
D. Have lived
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Future Perfect: By the time you arrive, I ________ all the preparations.
A. will have completed
B. will be completing
C. am completing
D. will have been completing