标题: 求助!manhattan 第七章,现在完成时的最后一句话看不懂!! [打印本页] 作者: pandah0522 时间: 2012-9-1 09:20 标题: 求助!manhattan 第七章,现在完成时的最后一句话看不懂!! Finally, the idea of completed action can be used simply to place a Present Perfect action earlier than another action in –ing forms, infinitives or subordinate clauses.
Right: She WILL PAY you when you ASK her. (the time of will pay = the time of [will] ask; note that the future will is often dropped in subordinate clauses)
Right: She WILL PAY you when you HAVE TAKEN out the garbage. (the time of will pay is LATER than the future time of have taken)