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has caused is causing will cause caused
prepared is prepared has been preparing is preparing
to help to helping to help helping
explored is exploring has been exploring has explored
has gone to has been to has gone has been
dropped reduced lowed decreased
some time sometime sometimes some times
has died die has dead has been dead
some time sometime sometimes some times
explored is exploring has been exploring has explored
Some cultures favor the past time. Some cultures have the tendency to favor the present time. Some cultures tend to favor the future time. All of the above.
decline release increase decrease
to help; of; for to helping; /; to to help; in; of to helping; of; to
Sometimes Sometime Some times Some time
rang; was has rung; was rang; is has rung; is
have passed has passed is passed are past
has to; some time have to; some time has to; sometimes have to; sometimes
cleaning to clean being cleaned cleaned
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