doesn't come与didn't come

doesn't come与didn't come It doesn't matter__he won't come She didn't come to school yesterday,didn't she? ---Alice,why didn't you come yesterday? Being ill,he didn't come. He said she didn't come,__? Didn’t you come here on time? Alice,why didn't you come yesterday? Whx didn't Tom come to school? He didn't come because he was ill.=He didn't come because of I don't mind _____ if he doesn't come He doesn't come from Beijing.助动词用doesn't 而不用isn't是不是因为come 是