A：John's very late.Do you think he's coming?
约翰迟到很久了。你觉得他会来吗?
B：Well, it doesn't seem like it.He must have forgotten.
额，似乎不是那样。他一定是忘了。
A：I suppose you're right.He can't have remembered.
我觉得你说得对。他可能忘了。