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bought have bought had bought would buy
have gone to have been to have been in have gone in
has gone in has been in has gone to has been to
have gone has gone have been has been
has gone have gone has been have been
always just never sometimes
have gone have been was went
have gone has gone have been has been
has gone in has been in has gone to has been to
never sometimes often always
How often How long How soon How far
been，gone gone，been been，been gone，gone
A. have been to have arrived in have gone to have been in
will go to would go to has gone to has been to
Yes, I have Yes, I haven’t No, I have No, I haven’t
gone been been to gone to
Did you go; did you go Have you gone; did you go Have you been ; did you go Have you been; have you been
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