grammar_and_usage课件_现在完成时_现在完成进行时 4.ppt

Grammar and Usage;The blue butterfly;;现在完成时;用法 ;Madam Qiu has worked in this school for more than thirty years.;…for more than thirty years …since October;Fill in the blanks: (for since) 1. She has learnt English ______ three years. 2. She has learnt English ______ three years ago. ;I have just had my breakfast.;1.yet already 二者常用于完成时态中。 yet意为“仍然还未”，常用在否定句或疑问句中； already意为“已经”，常用于肯定句中。;1.Mum’s cooked the dinner. Mum _____________ the dinner. 2.Kids have learned English at school. Kids ________________________ English at school. 3.I’ve already had dinner. I ___________ dinner ____. 4. He has just finished his homework. He _____________ his homework ___. ;2. ever adv. ever意为“曾经”, 与现在完成时连用. Have you ever been to London? ever的反义词是never, 意为“从不; 从未”。 Mary has never bought any books. ;☆have been to: 去过某地 (但已经回来, 人不在某地) ☆ have gone to: 去某地了 (说话时某人在去某地的途中或已在某地) 句中如果用ever, never, once(一次), twice(两次), three times(三次)等时间状语时, 用 have been to ;He has gone to Paris. （他现在在巴黎）;1. I ____ never ____ to China.; since + 过去时 for + 时间段 recently lately these days this week in the past few days so far up to now until now ; 1. So far this year we ___ a fall in house prices by between 5 and 10 percent. (2008福建) ??A. saw?????????? B. see?????????? C. had seen?????? D. have seen; 2. Up to now, the program ____ thousands of children who would otherwise have died. (2010 山东) A. would save B. saves C. had saved D. has saved ;英语动词根据词义可分为两种,一种是延续性的,一种是终止性的。终止性动词(也可称为非延续性动词或瞬间动词)，非延续性动词表示动作的发生与结束于一瞬间完成, 不能再延续, 所以它的现在完成时不能和表示延续的时间状语连用。;非延续性动词;非延续动词与延续性动词的转换 (熟记); 1.He has been dead for 3 years.;5. Kelly has got married for six years.; 常用固定句型;2) This (That/ It ) is the first (second…) time + that + 从句（现在完成时） 翻译：1. 这是他第一次参观这家工厂。 2. 这是我第二次读这本书。 1. It is the first time that he has visited this factory. 2. This is the second time that I have read the book. ; 常用固