1、presentagofuturebefore强调强调过去过去某一个动作发生在某一个动作发生在另一个动作另一个动作前前常常用过去完常常用过去完成时态成时态。定义：定义：构成：构成：主语主语+had+动词的过去分词动词的过去分词(p.p.)过去完成时I had eaten an apple before I slept.我在睡觉之前吃了一个苹果。我在睡觉之前吃了一个苹果。写出下列动词的过去完成时形式写出下列动词的过去完成时形式(5/1)be _ see_begin _ sing_bring_ open_had beenhad seenhad begunhad sunghad broughthad
2、opened过去完成时的否定形式：过去完成时的否定形式：过去完成时的疑问形式：过去完成时的疑问形式：肯定回答：肯定回答：否定回答：否定回答：主语主语had nothadnt+p.p.+其它其它.Yes,主语主语+had.Had+主语主语p.p.+其它其它?No,主语主语+had+not.1.The teacher said we _(learn)2000 English words since then.2.We _(learn)500 words last term.3.We _(learn)2000 words by the end of last term.4.He _(have)a m
3、eeting two weeks ago.5.He told me he _(have)a meeting two weeks before.6.The teacher asked if you _(be)to the Great Wall?had learnedlearnedhad learnedhadhad hadhad been1.ate an apple2.sleptShe had eaten an apple before she slept.After she had eaten an apple,she slept.before与after用法及互换注：before后加一般过去时
4、，after后加过去完成时1.cleaned the blackboard2.closed the windowShe had cleaned the blackboard before she closed the window.After she had cleaned the blackboard,she closed the window.她关窗户之前擦了黑板。她关窗户之前擦了黑板。1.ran out of breath2.drank water He had run out of breath before he drank water.After he had run out of
5、 breath,he drank water.他喝水之前跑得上气不接下气。他喝水之前跑得上气不接下气。Competition:If you think you can,you can.Go-Go加油！加油！12345678用所给动词的正确形式填空用所给动词的正确形式填空1.The poor girl never saw her grandpa because he _ (pass away)before she was born.2.She_ already_(clean)the blackboard before I entered the classroom.had passed away
6、cleanedhad句型转换句型转换 1.He had stood up before he cleaned the window._ he had stood up,he cleaned the window.2.His father went to Beijing.He arrived home.(用用before合并句子合并句子)His father_ _ _ Beijing before he _ home.Afterhad gone toarrived按要求改写下列句子按要求改写下列句子(5/1)Simon had finished his homework before he wa
7、tched TV.否定句：否定句：疑问句：疑问句：肯定回答：肯定回答：否定回答：否定回答：Simon hadnt finished his homework before he watched TV.Had Simon finished his homework before he watched TV?Yes,he had.No,he hadnt.选择题选择题(10/1)1.Millie_ some Chinese before she came to China.A.learned B.has learned C.learnt D.had learned2.She _ the first
8、runner-up prize in a beauty contest before she _an actress.A.have won,became B.had won,become C.had won,became D.has won,became 改错题改错题(101)1.We hadnt seen something interesting in the park before last Sunday.2.When she woke up this morning,it stopped snowing.anythinghad stopped翻译题翻译题(101)1.在我们到达电影院之
9、前，电影已在我们到达电影院之前，电影已经开始了经开始了2.踢完足球之后我买了瓶果汁踢完足球之后我买了瓶果汁The film _ _ _ we _ to the cinema._ I _ _ football,I _ a bottle of juice.hadbeforegotbegunAfterhadplayedbought用所给动词的正确形式填空用所给动词的正确形式填空(10/1)1.He_(turn off)the lights before he left the classroom.2._ your parents _(have)lunch when you arrived at ho
10、me?had turned offHadhad过去完成时的结构：过去完成时的结构：过去完成时的用法：过去完成时的用法：过去完成时的否定形式：过去完成时的否定形式：过去完成时的疑问形式：过去完成时的疑问形式：主语主语had nothadnt+p.p.+其它其它.Had+主语主语p.p.+其它其它?主语主语had+p.p.+其它其它.强调强调过去过去某一个动作发生在某一个动作发生在另一个动作另一个动作前前常常用过去完成时态。常常用过去完成时态。过去完成时的标志词：过去完成时的标志词：3.when+一般过去时的时间状语从句一般过去时的时间状语从句4.before+过去的时间点过去的时间点1.by+过去的时间点过去的时间点2.by the end of+过去的时间点过去的时间点Homework1.Make up some sentences using Past perfect tense.2.Finish other exercises on the paper.
