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will win will have won would have won has won
have passed has passed passed has past
the; a an; a a; the an; the
fifteen three a quarter to three three past a quarter three to fifteen
have learned three thousand learned three thousand of had learned three thousands learned thousands of
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witnessed witnesses has witnessed will witness
what a hard life he has experienced what he has experienced a hard life he has experienced what a hard life what a hard life has he experienced
as great as as many as more than larger than
begin end be another ice age start
have worked work worked are working
was, had taken place was, have taken place has been, had taken place has been, have taken place
have passed has passed is passed are past
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