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Present Perfect Continuous
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Present Perfect Continuous
Complete the exercises then check your answers.
Exercise 1
Choose the correct form
4 points
1
How long ______ here?
have you been working
are you working
do you work
2
She ______ all morning — that's why she's tired.
has been studying
studies
studied
3
I ______ three reports today.
have written
have been writing
wrote
4
They ______ each other since school.
have known
have been knowing
know
Check answers