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has been writing; has written has been writing; wrote is writing; has been writing has written; has written
the stories are often in fact very instructive. they enjoy writing these stories. the creation of these stories demands considerable intelligence. detective stories are an accepted branch of literature.
has been writing； has written has been writing； wrote
is writing； has been writing has written； has written
has been writing; has written has been writing; wrote is writing; has been writing has written; has written
is that are that is what have been what
wrote would write is writing has been writing
wrote would write is writing has been writing
has been writing； has written has been writing； wrote is writing； has been writing has written； has written
is writing…is writing is writing… writes writes… is writing writes… writes
write story to write stories writing story writing stories
has written; wrote has been writing; wrote is writing; has been writing has been writing; has written
has been writing； has written has been writing； wrote is writing； has been writing has written； has written
is writing；is writing is writing；writes writes；is writing writes；writes
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