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sings; sings is singing; is singing sings; is singing is singing; sings
A. sings; sings sing; sing sang; sings sings; sang
good; good well; well good; well well; good
who, beautifully whose, beautiful who, beautiful whose, beautifully
sing to sing singing sings
good;good well;well good;well well;good
as well as as good as as better as as the best as
as well as as good as as better as as the best as
never often usually sometimes
Is；sings Does；sings Is；sing Does；sing
well；good good；good well；well good；well
singing to sing sings sang
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