#创作挑战赛#
英语语法:一般现在时表将来 Present Simple for the future
● We use the Present Simple when we talk about future events that are part of some official arrangement such as a timetable or a program. This kind of sentences often contains verbs such as open, close, begin, end, start, finish, arrive, leave, come, return.
● 当将要发生的某件事情属于官方的某种安排，如时间表或某项计划，用一般现在时表将来，这种类型的句子通常包含动词如open、close、begin、end、start、finish、arrive、leave、come、return。
★ Their plane arrives at three o’clock in the morning.
★ 他们的飞机将于凌晨三点落地。
★ National No-smoking Week starts on October 24th.
★ 全国禁烟周将于10月24日开始。
★ The museum opens at 10:00 tomorrow morning.
★ 该博物馆将于明天上午十点开馆。
● We use the Present Simple rather than Will to refer to the future in adverbial clauses introduced by time conjunctions such as after, before, when, as soon as and until.
● 表将要发生的事情， after、before、when、as soon as、until引导的时间状语从句用一般现在时表将来（主将从现）。
★ After he comes out of hospital, he will need complete rest for another two months.
★ 出院后，他还需要再好好休息两个月。
★ Before I decide to buy the house, I will have it looked at by an expert.
★ 在决定买这所房子之前，我会先请专家来看看。
★ I will let you know when she gets here.
★ 她到达后，我会告诉你的。
★ The taxi will arrive soon. As soon as it arrives, we’ll be able to leave for the airport.
★ 出租车很快就到。出租车一到，我们就可以出发去机场了。
★ We won’t let her walk to school alone until she is a little older.
★ 要等她再长大一些，我们才会让她独自走路去学校。
★ What are you going to do as soon as class ends today?
★ 今天下课后，你准备去做什么？
● We use the Present Simple rather than Will to refer to the future in conditional clauses with if, unless, in case and provided.
● 在if、unless、in case、provided引导的条件句中，用一般现在时表将来。
★ Let me know if he says anything interesting.
★ 要是他说了一些有趣的事情，一定要告诉我。
★ Provided the traffic isn’t too bad, I’ll pick you up from work.
★ 只要交通不是太糟糕，我就去接你下班。
★ Unless he takes his work more seriously, he will fail his exams.
★ 除非他认真地对待自己的学习，否则不会通过考试。
★ In case one pen runs out, he will take two into the exam room.
★ 怕一支笔不够写，他会带两支笔进考场。
● We use the Present Simple in that- and wh-clauses when both the main clause and the that- and wh-clause refer to the future. We don’t use Will in the that- and wh-clause.
● 当主句和that-和wh-从句均表未来时，that-和wh-从句通常用一般现在时表将来，而不用Will。
★ Tonight, I’m going to check that Cathy does her homework correctly.
★ 我今晚会检查凯西是否把作业做对了。
★ By the time the book is published next year, no one will be interested in what scandalous claims it makes.
★ 到明年这本书出版之时，就没人会对这本书将引起的丑闻感兴趣了。
● However, when the main clause refers to the present, we normally use Will in the that- and wh-clause. But, if we are talking about a fixed arrangement, we can use either Will or the Present Simple.
● 如果主句是一般现在时，则that-和wh-从句通常用Will表将来；但是，如果谈论的是某种确定好的安排，可用Will也可用一般现在时表将来。
★ Some people believe that the earth will be destroyed by a nuclear accident.
★ 有些人认为，地球将因核事故而毁灭。
★ The new regulations mean that businesses have to/ will have to complete the form by 1st April.
★ 新的规定意味着企业必须在4月1日前完成表格。
★ It says in the program that the concert finishes/will finish at half past ten.
★ 节目单写着，音乐会将于十点半结束。
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