go to bed go to sleep get to sleep fall asleep be asleep
首先应知道sleep是动词,asleep是形容词。
⑴ go to bed指上床, 就寝。例如:
What time did you go to bed last night?
昨天晚上你几点上床睡觉的?
⑵ go/get to sleep和fall asleep意思接近,都指入睡,睡着, 但是get to sleep常用于否定句中。例如:
I went to sleep quite late last night.
我昨晚睡着很晚了。
⑶be asleep指睡着的,睡熟的。例如:
He is asleep.
他睡着了。