我第一次听他唱歌。Р典型例题?(1) --- Do you know our town at all? ? --- No, this is the first time I ___ here.? A. was B. have been C. came D. ing ? (2) --- Have you ____ been to our town before?? --- No, it’s the first time I ___ here.? A. even, come B. even, e ? C. ever, come D. ever, e? 注意:非延续性动词的否定形式可以与表示延续时间的状语连用。即动作不发生的状态是可以持续的。?(错)I have received his letter for a month.?(对)I haven't received his letter for almost a month.РBРDР2、过去时?考题点击:?1. --- Nancy is ing tonight.? --- But she _____! ? A. promises?B. promised?C. will promise D. had promisedР2. My uncle _____ until he was forty-five. ? A. married B. didn’t marry?? C. was not marrying D. would marryР说明:Nancy 答应要来这个动作应该发生在过去,是过去作出的承诺。Р说明:until 用在肯定句中时,主句的动词必须是延续性动词,表示该动作一直持续到 until 后的时间为止;短暂性动词只能用在否定句中,表示直到此时该动作才开始。本题中 marry 是短暂性动词,所以只能用在否定句中。РBРB