sat语法选择题Willam has resolved to have completedhis Ph.D.in astronomy by the time Halley’s Comet returns.a.原句 b.to being completedwith c.having completed d.to be completeing with e.to completing

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sat语法选择题Willam has resolved to have completedhis Ph.D.in astronomy by the time Halley’s Comet returns.a.原句 b.to being completedwith c.having completed d.to be completeing with e.to completing
sat语法选择题
Willam has resolved to have completedhis Ph.D.in astronomy by the time Halley’s Comet returns.
a.原句 b.to being completedwith c.having completed d.to be completeing with e.to completing

sat语法选择题Willam has resolved to have completedhis Ph.D.in astronomy by the time Halley’s Comet returns.a.原句 b.to being completedwith c.having completed d.to be completeing with e.to completing
本句选A 也就是 原句正确
但注意理解 时态问题 也就是 by the time Halley’s Comet returns是一般现在时 主句应该用 将来完成时 为什么主句是完成时 而不是将来完成时?
其实 本句的 状语从句 不是修饰 主句谓语 has resolved的
而是 修饰的是 动词不定式 短语to have completed his Ph.D.in astronomy
也就是 has resolved 后面 全部 是 不定式短语 作宾语
句子意思 威廉已决心 在哈雷彗星回归前 学完天文学博士学位 .

a 原句 resolve to do 决心做某事
再从句意理解 威廉决心在哈雷彗星回归前学习完天文学博士学位 所以不用改哦