他问成绩什么时候公布。
He asked when the results would be announced.
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asked英 /ɑːskt/|美 /æskt/
when英 /wen/|美 /wɛn/
解释
reported wh-question：主句 asked 为过去式，wh-词 when 后接陈述句语序 when the results would be announced（不用 when would the results be announced）；用 would 替代 will 做时态后移（will → would），表示过去时间角度下的未来事件。
He asked when the results would be announced.
reported wh-question：主句 asked 为过去式，wh-词 when 后接陈述句语序 when the results would be announced（不用 when would the results be announced）；用 would 替代 will 做时态后移（will → would），表示过去时间角度下的未来事件。