过去完成时表示一个动作或状态在过去某一时间或动作之前已经或者也可能是早已完成或结束,即“”,也可以指过去的动作到过去的某个时刻。过去完成时由“had+动词的过去分词”构成,通常用于任何人称。 相关知识点: 试题来源: 解析 完成;结束;过去的过去;延续;had ...
百度试题 结果1 题目构成:has / had + 动词的过去分词 相关知识点: 试题来源: 解析 for a long time 反馈 收藏
动词过去式、过去分词:have--had--had make--made--made buy--bought--bought be--was/were--been see--saw--seen give--gave--given bring--brought--brought 2、词组 1.my first day 2. have classes =have lessons 3.look like 4. write it/ them down 5. play the violin 6.play football ...
条件状语从句主 句与现在事实相反一般过去时(be → were)would / should / could / might 动词原形与过去事实相反had 动词过去分词should / would / could / might have 动词过去分词与将来事实可能相反一般过去时或should(were to) 动词原形would / should / could / might 动词原形例:①与现在的事实相反:If...
1 考点八过去完成时1.结构:had+动词的过去分词2.用法:(1)表示过去的某一时刻以前已经发生的动作或存在的状态,也就是“过去的过去”。常以by,before短语或when,before,after,until等引导的从句作为前提。My teacher said she had never been to London.我的老师说她从来没去过伦敦。When the police arrived,the...
构成 初中过去完成时由助动词 "had" 和动词的过去分词形式构成。 例如: - I had finished my homework before my father came back. - She had already gone to bed when I called her. - They had eaten lunch before the movie started. 相关知识点: 试题来源: 解析 had finished 反馈 收藏 ...
一般疑问句助动词be/has/had 主语 过去分词was/were/was being 过去分词现在完成时have/has been 过去分词一般将来时shall/will be 过去分词过去分词was/were broken after by his sister.过去分词They have been warned not to swim here.现在分词When will the project be completed?A. Change the sentences fr...
助动词have的形式和用法(1)形式:have,has,had(过去式),having,had(过去分词)(2)用法:① 与过去分词构成各种完成时。如:We’ve kno
如果指现在或将来的愿望,从句用过 去时,如果指过去没有实现或不能实现的愿望, 从句用 could 或 would + have done 或用过去完成式。 如下表所示: 时间 从句谓语动词形式 现在 动词用过去式( be 用 were 形式) 过去Could/would have done 或 had+过去分词 将来Should/would + 动词原形 ⏺...
She had eaten breakfast when her friend called.(had eaten 的“had”是助动词,与过去分词“eaten”构成过去完成时,表示在过去某个时间之前已经完成的动作。)相关知识点: 试题来源: 解析 答案:无选项,本题考查过去完成时的基本用法,句子中“when her friend called”表明在朋友打电话这个过去的动作的时候,她吃...