Поставьте предложения в скобках в present simple, present progressive и present perfect tense. he is a very hard worker. he often (work) until midnight. it's 11 p. m. now and he still (work). it's 3 p. m. and he (not eat) anything today. is mary ready to come out? - no, she still (dress). he often (read) detective stories ; he (read) a very good one now. she (not have) a holiday since 1986. what are they talking about? - they (talk) about literature. they always (talk) about literature when they see each other.