2018届英语讲义设计2.docx

PAGE \* MERGEFORMAT 1绩佳统招专升本资料群 PAGE \* MERGEFORMAT 1专题三 时态 Tense现在1.一般现在时定义:表示现在经常性的动作,情况或状态\表示不受时限的客观事实或真理结构:S+ HYPERLINK /view/26589.htm \t _blank V（原形）S（单数第三人称时）+ HYPERLINK /view/26589.htm \t _blank Vs\es 时间标志:usually, often, sometimes, always, every week\day特点：习惯性、现实性、客观性。He often plays football on weekends. I am a teacher and he is a student.The earth is bigger than the moon.重点:主将从现I will have a good time if I go to the partyI will call you as soon as I arrive in London. 专升本扩展:A.?由?the moment, the instant, immediately 引导的时间状语从句，如果主句用一般将来时那么从句用一般现在时代替将来时。【例】We will give her the dictionary the moment she?? ??? ??her assignment .A.?has finished??? B.?will finish? ???? C.?finishes???? ?? D.?finishedB.?如果and 前面的分句用祈使句，那么后面的分句用一般将来时。【例】Turn on the TV and you?? ??? ??the live broadcasting of NBA.A.?watch? ??? ?? B.?will watch? ?? C.?have watched? ?? D.?watched也可以变为：If you turn on the TV, you will watch the live broadcasting of NBA.2.现在进行时定义:表示现在正在发生或进行的动作。结构:S+be(am\is\are)+V-ing时间标志: now, at the moment, look! listen!特点:进行性或持续性e.g. I am writing a composition now.My brother is playing soccer at the moment.Listen! The birds are singing in the tree.补充:与always, constantly, continually等副词连用表一定感情色彩 Alice is always changing her mind. I’m always losing keys.She is constantly disturbing me.过去1.一般过去时定义: 表示过去某个时间里发生的动作或状态\过去习惯性、经常性的动作行为 结构:S+ HYPERLINK /view/26589.htm \t _blank V-ed否定形式:在 HYPERLINK /view/875187.htm \t _blank 行为动词前加didnt，同时还原行为动词；一般疑问句Did+主语+do时间标志: yesterday, last week，…ago, in1980, in October, just nowe.g. He visited his grandparents last week. The river used to be clean, but now it is full of rubbish. 2.过去进行时 定义: 表示在过去某一时刻或某一段时间内进行或发生的动作。结构:S +was/were + V-ing时间标志:at that time, at this time yesterday, at eight last nighte.g. What were you doing at eight last night?过去的过去1.过去完成时 定义:表示过去某一时间或动作以前已经发生或完成了的动作。它表示动作发生的 HYPERLINK /view/4019.htm \t _blank 时间是“过去的过去”结构:S +had + done( HYPERLINK /view/235316.htm \t _blank 过去分词)时间标志: by\be