等火车终于到站时，乘客们的等待时间不会超过一个小时。
When the train finally arrives, the passengers will not have been waiting for more than an hour.
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Will英 /wɪl/|美 /wɪl/
not英 /nɒt/|美 /nɑt/
been英 /biːn/|美 /bɪn/
waiting英 /ˈweɪtɪŋ/|美 /ˈweɪtɪŋ/
解释
will not have been waiting 是将来完成进行时的否定形式，由 will not + have been + 现在分词构成，表示到将来某个时间点时，动作的持续时长不超过某值。
When the train finally arrives, the passengers will not have been waiting for more than an hour.
will not have been waiting 是将来完成进行时的否定形式，由 will not + have been + 现在分词构成，表示到将来某个时间点时，动作的持续时长不超过某值。