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一、基本用法 从句谓语通常用过去式表示现在或将来，有时也用过去进行时或should+动词原形(较少见，且should不能省略)，其意为(早)该干某事了： Its time we ordered dinner. 现在该叫菜了。 I think Its time you went to bed. 我想你该睡觉了。 Its time we went [were going, should go]. 我们该走了。 Its time you washed those trousers. 你该洗洗那条裤子了。 Im getting tired. Its time we went home. 我累了，我们该回家了。 I think its time they were taught a lesson. 我想现在该给他们一点教训了。 Its time someone spoke up for the less privileged in our society. 应该有人为我们社会中较不幸的人说说话了。 Its time you looked ahead and made plans for your retirement. 是你为以后想一想并对退休后的生活做出安排的时候了。 二、同义表达 该是孩子们上床的时间了。 Its time the kids were in bed. =Its time for the kids to be in bed. 三、两点说明 (1) time前有时有about和high修饰： Its high time we left. 我们早该动身了。 | 
