I have been sleeping all alone,you have been straing in my

have you been sleeping? I have been sleeping all alone,you have been straing in my I have been sleeping是什么语态?如题,饿是英语菜鸟, I' m sure he must have been sleeping at the moment 的反义疑问句 you didn`t hear my knocking at the door; you______ soundly when i came in答案是must be sleeping 是否应是must have been sleeping MUST have been donemust have been doing must have been +名词must have done以上的区别还有是否有must have been done 的用法 和区别EG1 I must have been sleeping 2 your dress must have been expensive.3 I didn't hear the phone,I must have I have been selling I have been trying I have ever been I too have been I have been to. I have been I have been in. Jack always sleeps late on Sundays.I am sure he____when we get home1.is still sleeping2.is to be sleeping3.will still be sleeping4.will have been sleeping 英语翻译I have a problem sleeping at night此句中为什么用sleeping 英语翻译have i been sleeping?i've been so still afraid of crumbling have i been careless?dismissing all the distant rumblings take me where i am supposed to be to comprehend the things that i can't see cause i need to move i need to wake up i nee 英语翻译have i been sleeping?i've been so still afraid of crumbling have i been careless?dismissing all the distant rumblings take me where i am supposed to be to comprehend the things that i can't see cause i need to move i need to wake up i nee I have been there,have been 是have been in还是have been to的缩写?