请问sleeping和slept和sleep如何用?需要句子..如果说老师问我昨天晚上在干什么,我说我在睡觉,是用slept吗?i slept in my bed?感觉这三种时态意思也不一样.我正在睡觉,我将要去睡觉,如何表达.混了.我

slept和sleeping 有形容词的意思吗 have slept和have becn sleeping有什么区别?sleep是延续性动词吗？ 请问sleeping和slept和sleep如何用?需要句子..如果说老师问我昨天晚上在干什么,我说我在睡觉,是用slept吗?i slept in my bed?感觉这三种时态意思也不一样.我正在睡觉,我将要去睡觉,如何表达.混了.我 sleeping upstairs 和sleeping downstairs分别是什么意思 Hasn't he slept for 20 hours?和Hasn't he been sleeping for 20 hours?哪个是对的?有什么区别?Hasn't he slept for 20 hours?和Hasn't he been sleeping for 20 hours 哪个是对的?有什么区别?表达的意思是一样的吗? 单词后面加s和ing是过去式吗单词后面加s,ing是过去式吗?但假如说sleep,过去式是slept,可不可以写成sleeps,sleeping呢?到底怎么区分啊 I slept for two hours 和 I has slept for two hours的区别是什么 a sleeping car 和 a sleeping child中的sleeping有什么区别 ___,the subject was always in my mind.a、Walking or sleeping b、 Walking or slept c、 Having walked or slept d、 To walk and sleep 请问选哪一个,为什么 It may even help you _ better.sleep sleeping are sleeping slept 过去式 they were sang 还是they was sang 和 ...he were slept 还是 he was slept?.谢 slept slept 请问 a sleeping dog Is she sleeping和she is sleeping 的意思是一样么,可以互换么 baby sleeping 和sleeping baby有什么区别吗?如果有那在哪里? I( )on sofa because my parents have come for the weekend.A.slept B.was sleeping C.have slept D.am sleeping选择什么,请详细说明. When I ,he in his room.A.was sleeping:was reading B.slept:read C.was sleeping:readed D.slept:was reading