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understanding, lending to understand, to lend to understand, lending understanding, to lend
have done have been done have been doing be done
difficulty in learning difficulty to learn difficulties learned difficulties to learn
any, any, some some, some, some any, some, some any, any, any
risen raised arisen aroused
any;any;any; some;some;some any; some; some any; any; some
having compared to comparing to compare to compared to
No,I don't have any No,I don't have some Yes,I don't have some Yes,I have any
helping to help has helped help
gain; in gaining; to to gain; to gaining; of
any;any;some some;some;some any;some;some any;any;any
any; any; some some; some; some any; some; some any; any; any
difficulty in learning difficulty to learn difficulties learned difficulties to learn
So am I So have I So I have So I am
a difficulty any difficulty difficulty some difficulties
helping to help has helped help
in; on some advice for; for some advices on; some advice with; for some advice