虚拟语气用在It istime +that定语从句中 在It istime +that定语从句中需用虚拟语气.表示“该做--的时候了 .其动词形式用一般过去时或should +动词原形 It's already 5 o'clock now,Don't you think it's about time we went home?已经5点钟了.你不认为我们应该回家了吗? [点拨]①在this is the first time ／second time that．．．句型中.从句中谓语动词用陈述语气完成时态 Is this the first time that you have visited Hongkong?这是你第一次参观香港吗? ②It's time to do something有别于It's time that．．． 【查看更多】
