Were you sleeping when Tom phoned you?

when you were sleeping Were you sleeping when Tom phoned you? i didn't know you were sleeping为什么要用were How long did you sleep为什么用did ,不能用were you sleeping 或 asleep. when you were sleeping是美国电影翻译成汉语叫什么名字 Are You Sleeping 歌词 have you been sleeping? （ ）when I got there?A.She was having lunch with her motherB.Were you at homeC.Did you go shoppingD.Were you sleeping A:A UFO landed while i was sleeping last night. B:Were you scared? A:Not really. A:A UFO landed while i was sleeping last night. B:Were you scared? A:Not really. he were sleeping when the UFO arrived.为什么用were you look very tired._______ at all last night?No,not really.i'm tired out now.A.were you sleeping B.did you sleep ①called,were,you,when,you,I,sleeping?连词组句②pet,I,would,for,duck,to,have,a,like,a.连词组句 SLEEPING sleeping sleeping Sleeping sleeping