她不可能看过这封邮件，五分钟前才发出去的。
She can't have read the email—it was sent only five minutes ago.
▼点击显示答案
can't英 /kɑːnt/|美 /kænt/
read英 /riːd/|美 /rid/|英 /red/|美 /rɛd/
解释
can't have + read 构成情态动词完成体，表达对过去行为的否定推断：说话人依据「邮件刚发出」的时间逻辑，否定接收方在过去看到过邮件。
She can't have read the email—it was sent only five minutes ago.
can't have + read 构成情态动词完成体，表达对过去行为的否定推断：说话人依据「邮件刚发出」的时间逻辑，否定接收方在过去看到过邮件。