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Hi
this is to confirm about "have to /has to"
that in prograsive forms what is appropriate to use
either
i have to be working hard.
or
i am havingto work hard.
this is what i have been searching for but have not got
the answer yet.
i would be looking forward to receiving your answer shortly,
thanking you,
I have to work hard is an obligation
I am having to work hard tells us how you are working now
To get information 
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