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sing to sing singing sang
practicing to practice practiced practices
No, she hasn’t Yes, she has No, she doesn’t Yes,she does.
hurts hurt has hurt had hurt
has she; Yes, she has is she; No, she isn’t. has she; No, she hasn’t is she; Yes, she is.
) sing ) to sing )sang ) singing
his English has been improved he has made great improvement in English English is easy for him now his teacher praised him
where has she been where she has gone where has she gone where she has been
practice practicing to practice practiced
practiced; would pass had practiced; would pass had practiced; would have passed should practice; should have passed
on; at over; with back; for for; by
practiced;would pass had practiced;would pass had practiced;would have passed shodd practice;should have passed
practiced; would pass had practiced; would pass had practiced; would have passed should practice; should have passed
efficient effective industrial practiced
where has she been where she has been where has she gone where she has gone
it;whom himself;who this;whom that;who
practicing; speaking to practice ; speaking practice ; speaking practiced ; speaking