can anyone tell me what underlined structures are for the following and also any concept questions that could be asked <br/><br/><b>I wish you wouldn't smoke</b> so much.<br/><br/>By this time next year <b>I will have graduated</b>.<br/><br/>When he <b>arrived</b> at the station, the train <b>had left</b>.<br/><br/>Many thanks