摘要:23 一般现在时代替过去时 1 )"书上说"."报纸上说"等. The newspaper says that it's going to be cold tomorrow. 报纸上说明天会很冷的. 2) 叙述往事.使其生动. Napoleon's army now advances and the great battle begins. 11.24 一般现在时代替完成时 1) 有些动词用一般现在时代替完成时: hear, tell, learn, write , understand, forget, know, find , say, remember. I hear he will go to London. I forget how old he is. 2) 句型 " It is - since-"代替"It has been - since -" 3) It is five years since we last met. 11.25 一般现在时代替进行时 1) 句型:Here comes- , There goes- Look, here comes Mr. Li. 11.26 现在进行时代替将来时 1) 表示即将发生的或预定中计划好的活动. Are you staying with us this weekend? 这周和我们一起度周末吗? We are leaving soon. 我们马上就走. 2) 渐变动词.如:get, run, grow, become, begin及die. He is dying. 11.27 时态一致 1) 如果从句所叙述的为真理或不变的事实.则永远用现在时. At that time, people did not know that the earth moves. He told me last week that he is eighteen. 2) 宾语从句中的助动词ought, need, must, dare 时态是不变的. He thought that I need not tell you the truth.

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