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将来时态在实践中是使用得较多的时态之一。但在某些状语从句中,一般都不使用将来时态,而是由一般现在时,有时也可能是用现在完成时来取而代之。这样的状语从句通常有: 1.由as soon as, before, till,until等引导的时间状语从句。 I will wait for old Wang till he comes. It will be five years before We meet again. She Won’t go away until you promise to help her.
The future tense is one of the more frequently used tenses in practice. However, in some adverbial clauses, the future tense is generally not used. Instead, it is replaced by the present tense, and sometimes it may be replaced by the present time. Such adverbial clauses are usually: 1. Time adverbial clauses guided by as soon as, before, till, until etc. I will wait for old Wang till he comes. It will be five years before We meet again. She Won’t go away until you promise to help her.