一般人对英语里基本时态的意义和用法都没有什么问题,但是未必每个人都对某些寻常时态的特殊用法有足够的体会。 请看下面这三种情形: Ⅰ 现在简单时态 ⒈现在简单时态可以用来表示未来的动作或活动,但这活动必须事先已有计划,如: ● The plane to Hawaii leaves at 10 tonight. ● The British Prime Minister arrives at 8 tomorrow morning. 这样的不寻常时态里的动词通常只限于“来”和“往”之类的活动,不是任何动词都适用。 ⒉现在简单时态也可用来取代时间副词分句(adverb clauses of time)或条件副词分句(adverb clauses of condition)中的现在未来时态,如: ● Let‘s wait until all the guests come. ● If it rains tomorrow, we can’t go fishing. 理论上可以说“until all the guests will come”和“if it will rain tomorrow”,但实际句子里,并不如此。 ⒊现在简单时态有时可以用来代替现在过去时态,使所叙述的事物更现实、更灵活,如: ● Alexander Pope says, “A little learning is a dangerous thing.” ● The Chinese proverb has it, “God helps those who help themselves.” 只有在特殊情况下,才用这种时态;否则,过去的事, 只好用过去时态,比较妥当。 Ⅱ 现在进行时态 ⒈现在进行时态可以用来表示未来的节目或已策划的活动,如: ● They are going downtown this afternoon. ● I am seeing an old friend tonight. ⒉现在进行时态,也和副词“always, continually, constantly”等连用以表示不断重复的举动,言下有不胜其烦之感,如: ● Janet is always complaining.www.yingyusanji.com ● Why are you continually finding fault with our new system? ● Strange! The weather here is constantly changing. Ⅲ 过去简单时态 ⒈过去简单时态可用来表示目前不易实现的假设或愿望,如: ● lf I were you, I would join that activity. ● I wish I had better luck next time. ⒉过去简单时态也可以用来代替现在简单时态,以表示礼貌,如: ● Could you tell me how to go to the library? ● I would appreciate it if you could help me. ● Would you mind lending me your pen for a while? 上述寻常时态的不寻常用法,如果用得恰当,肯定可以增添英语的灵活性。
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