1过去进行时：表示在过去某一时刻或某一段时间内进行或发生的动作.其形式为was /were + V-ing.例句：We were watching TV from seven to nine last night.昨天晚上七点到九点的时候我们在看电视.
2现在完成时 未完成用法只适用于延续性动词,不可用于终止性动词,即瞬间完成或延续时间很短的动词.如：come ,go ,arrive ,leave ,join ,become ,die 等.(2) 现在完成时常见两种句型：①主语＋ have / has been ＋ for 短语 ② It is ＋一段时间＋ since 从句 例如：He has been in the League for three years.或 It is three years since he joined the League.他入团已三年了.
3过去完成时 主语+had+过去分词vpp.(done)
①肯定句：主语+had+过去分词.
②否定句：主语+had+not+过去分词.
③一般疑问句：Had+主语+过去分词?
肯定回答：Yes,主语+had
否定回答：No,主语+hadn't
④特殊疑问句：特殊疑问词或词组+一般疑问句（Had+主语+过去分词）?
⑤被动语态：主语+had（hadn't)+been+过去分词
4 将来完成时 构成will / be going to do sth.
①表示在将来某一时间之前已完成的动作,并往往对将来某一时间产生影响.
We shall have learned 12 units by the end of this term.
到这个学期末,我们将学完12个单元.
By the time you get home I will have cleaned the house from top to bottom.
你到家之前我将把房子彻底打扫一遍.
②表示推测,相当于"must have done"结构.
再问： 完成主动，完成被动的用法
再答： 我给你从百度上粘过来的： 肯定句：主语+have/has+过去分词 否定句：主语+have/has not +过去分词 疑问句：Have/Has+主语+过去分词 现在完成时 7.(1) 现在完成时的句型结构 ①肯定句：主语+ have/has+ 过去分词 ②否定句：主语+ have/has+ not+过去分词 ③疑问句：Have/Has +主语+过去分词 (2) 现在完成时的用法 ①表示到目前为止曾经有过的或未曾有过的经历和体验。常和never, ever, several times等连用。 如： I’ve never been to Africa. Have you ever been to Tokyo? I’ve been there three times. ②. 表示某动作从过去开始，现在刚刚完成，对现在有一定的影响。常与just, already, yet, so far等词语连用。 如： He has just finished his new book. 注意：just now用于过去时。 ③.表示某动作从过去开始，一直持续到现在，可能还会持续下去。通常与 for或since连用。 如：I have lived in Qingdao for 6 years. /since 6 years ago/since 2003/ since I came to this city. It is/has been …+ since…. It’s been seven years since we last saw each other. 注意:for+一段时间，since后接一个过去的时间点或一般过去时的句子。 ④ 在表将来的时间状语和条件状语从句中代替将来完成时。 You can go home when you have finished your work. 主动语态变被动语态： (1) 一般现在时的被动语态：am [is, are]+过去分词 We are taken good care of at school. 我们在学校受到很好的照顾。 (2) 一般过去时的被动语态：was [were]+过去分词 The house was built ten years ago. 这座房子是10年前建的。 (3) 一般将来时的被动语态：will be+过去分词 The meeting will be held at two this afternoon. 会议将于今天下午2点举行。 (4) 现在完成时的被动语态：have [has]been+过去分词 All the work has been done now. 所有的工作现在都做好了。 (5) 过去完成时的被动语态：had been+过去分词 He said the work had been finished. 他说工作已完成了。 (6) 现在进行时的被动语态：am [is, are] being+过去分词 My watch is being repaired by him. 我的表正在由他修理。 (7) 过去进行时的被动语态：was [were] being+过去分词 He said that the man was being operated on. 他说那个人正在动手术。 (8) 过去将来时的被动语态：would be+过去分词
