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课件网) Module 3 Culture and history Unit 6 Ancient stories Grammar The Present Perfect Tense 现 在 完 成 时 用法 结构 标志词/ 时间 状语 标志词的区分 句型 转换 have been to & have gone to 完成时VS 过去时 I have lost my watch. I lost my watch. -- 现在完成时表示过去发生的某一动作对现在造成的影响或结果,强调与现在的关系。 一般过去时只是表示动作是发生在过去,和现在并没有什么直接与必然的联系。 现在完成时 vs. 一般过去时 现在完成时vs一般过去时 tell the difference 时态 结构不同 强调重点不同 标志词（时间状语）不同 一般过去时 陈述过去发生的事情，与现在无关 现在完成时 强调已经完成的事情与现在有关，对现在有影响 动词过去式 --ed have/has done The difference: 一般过去时VS现在完成时 yesterday, …ago, in 2005, last…等过去的时间 already, yet, ever, never, twice, ...times(次)，so far，up to now, recently, lately, for + 时间段, since+ 时间点 since…ago, since last... since +从句(一般过去时)等 gone go went We ____ to a concert last week. have gone PAST SIMPLE – signal word “last … ” (it tells us when it happened) has seen have seen saw I ____ Linda at the cinema yesterday. seen PAST SIMPLE – signal word “yesterday” (it tells us when it happened) has … eat has … eats has … eaten She ____ already ____ breakfast. has … ate PRESENT PERFECT – signal word “already” (for a recently finished action) has leave has left left Bob ____ five minutes ago. leave PAST SIMPLE – signal word “…ago” (it is a finished past action) Did / arrived Did / arrive Have / arrived ____ Mike and Sam ____ from school yet Has / arrived PRESENT PERFECT – signal word “yet” (we expect something to happen soon) were have was have been I ____ on holidays since Friday . was PRESENT PERFECT – signal word “since” (for an unfinished past action) have … spoken speak has … spoken My teacher ____ just ____with my parents. spoke PRESENT PERFECT – signal word “just” (for a recent event) hasn’t get up haven’t get up didn’t get up He ____ early this morning. didn’t got up PAST SIMPLE – “this morning” is a completed past period (it’s probably after midday now) has … bought have … bought did … buy When ____ she ____ a new car did … bought PAST SIMPLE– we want to know when something happened Has … had Did … have Have … had ____ you ever ____ a car accident Did … had PRESENT PERFECT – signal word “ever” (for past experiences) have met have meet met I ____ my wife in 2010. meet PAST SIMPLE – signal word “in 2010” (for a finished past action) B1 Complete it with the correct tenses of the verbs in brackets. have gone left came have tried have won have left didn’t take P89 B2 Complete the diary below with the correct tenses of the verbs in brackets. bought went opened never been have visited have seen bought have read Look at these two sentences. Do you think they are correct I have bought this book for 3 years. I have bought this book since 3 years ago. I have had this book for 3 years. I have had this book since 3 ... ...
