he hasn't come yet是什么时态?

he hasn't come yet是什么时态? 求一道时态题目：Mr. Brown hasn't come yet. When he ___(come), we ___ i don't know why he hasn't come yet. We have been waiting____us,but he hasn't come yet. He promised that he would come,but he hasn't turned up yet.为 Mother hasn't come back yet — David hasn’t come yet. He hasn't yet arrived . He may, _____, come later.选择题? Why hasn't jim come yet?If he doesn't arrive in five minutes 选哪个并解释原因He hasn't come to class yet.What do you think______? I_(wait)here for an hour,but he hasn't come yet.如何填空 11.He hasn't come yet.What do you consider_________to him?