When do we need to use #2"haven't(hasn't) been ~ing" You use it when someone hasn't been doing something that he or she is expected to do regularly (or would normally do regularly). The dog must be sick. He hasn't been eating his food lately.
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redeyeflight888I haven't been studying since 5 o'clock..When do we need to use #2"haven't(hasn't) been ~ing"You use it when someone hasn't been doing something that he or she is expected to do regularly (or would normally do regularly).