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never always often usually
takes, takes takes, by by, takes by, by
walks to school ; never walks school ; never takes a bus to school; sometimes by bus to school; sometimes
on foot, takes on foot, buy by a bike, by by a car, by
by bus takes bus takes a bus take a bus
by bus by plane on foot by boat
takes; takes by; takes takes; by by; by
hardly ever always often Usually
hardly ever always often usually
always seldom often sometimes
take a bus to take buses taking a bus takes buses
take a bus by a bus takes a bus by bus
by, on a on an, by by an, on by; takes
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