都对 表达的意思也基本一样只不过 前者强调 从睡觉 发生 到现在 已经20小时 后者强调 一直 睡了 20个小时都是现在 还在 睡再如 我学英语三年了i have studied english for three years三年来我一直学英语i have been studying english for three years相关推荐 1Hasn't he slept for 20 hours?和Hasn't he...
Hasn't he been sleeping for 20 hours：表示他一直在睡觉，睡了20个小时。持续的动作，现在完成进行式。现在完成进行时，是英语中，动词的一种基本时态，其构成为：主语+助动词（have/has）+been+动词的现在分词+其他成分。其表达的意思有两种：1.表示从过去某时开始一直持续到现在的动作，并且还将...
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百度试题 结果1 题目Sleeping for ___ hours is good for children. A. five B. seven C. nine D. eleven 相关知识点: 试题来源: 解析 C。解析:儿童睡眠九小时比较好,五小时太少,七小时不够,十一小时可能有点多。反馈 收藏
Larry sleeping 20 hours a day. 翻译结果4复制译文编辑译文朗读译文返回顶部 Drop-down, sleep 20 hours a day. 翻译结果5复制译文编辑译文朗读译文返回顶部 The lary sleeps every day for 20 hours. 相关内容 aThe way that you changed my world[translate] ...
sleep的用法I have sleeping for 9 hours.I have slept for 9 hours.for 引导的不是完成时吗? 答案 第二个是对的,若用sleeping应该是have been ,一个是现在完成时,一个是现在完成进行时 ,不是三楼说的过去进行时相关推荐 1sleep的用法I have sleeping for 9 hours.I have slept for 9 hours.for 引导的...
1Passage Two The thought of not sleeping for twenty-four hours or more is not a pleasant one for most people. The amount of sleep that each person needs varies. In general, each of us needs about eight hours of sleep each day to keep our bodies healthy and happy. Some people, however...
根据语境“for two hours”,强调动作的持续,所以选 A。反馈 收藏
解析 A。“for two hours”表示一段时间,要用现在完成进行时“have/has been + 现在分词”,表示动作从过去开始一直持续到现在,可能还要继续下去。“sleep”的现在分词是“sleeping”,B 选项“slept”是过去分词,C 选项“sleep”是动词原形,D 选项“sleeping”没有和“has/have been”连用,均不符合。
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