The irregular verb to be is the most complicated of all the English verbs—and it just so happens to be the most used, too. The to be verbs are am, are, is, was, and were, along with the bare infinitive be, the present participle being, and the past participle been. In this gu...
1、因为【The verb“be”】已经被赋予了一定的属性了，已经不是最初的那个动词了。其实，【The verb...
The different forms of ‘to be’ verbs in English are:Present tense: am, is, are Past tense: was, were Present participle: being Past participle: beenHow do I use ‘am’, ‘is’, and ‘are’ correctly in sentences?Use ‘am’ when referring to yourself (I am), ‘is’ when ...
百度试题 结果1 题目"___" is the past participle of the verb "to be."相关知识点: 试题来源: 解析 答案: been 反馈 收藏
(1) Verb to be 系助动词中最重要的一类，包括有: is am are was were be being 和 been 用来帮助 verb + ing 去组成 continuous tense (e.g. He is kicking the ball)或帮助 verb 的 过去分词 (past participle) 去组成 passive voice (e.g. The ball is kicked by him)。 Verb to...
'The parcel is supposed to be delivered by Friday.' Note that this is a passive structure: 'be supposed to be' plus past participle. “The parcel is supposed to be delivered by Friday.”请注意,这是一个被动结构:“be supposed to be”加上过去分词。
谈谈 [ 分词participle ]功能可作/ verb / adj / adv / . 分词有两种 : 一种是present participle=v+ing(same as gerund)其语态有[主动及被动]一般时及完成时 一种是past participle=p.p.其语态只有[ 被动 ].没有时态. The *** yst should write the questions that need to be wered....
而被动态的表现形式是be+动词过去分词（更准确的说法应该叫“被动分词”，passive participle，以下我也...
verb to have + past participle 是动词不定式完成式，表示的动作发生在限定动词表示的动作之前。例如：I am very sorry to have kept you waiting. 对不起，叫你等了。这里的 to have kept 发生在 am 所表示的时间之前。She seems to have read the book before.她好像看过这本书。这里的 to ...
To Be: Present Perfect Thepresent perfect, formed by combininghasorhavewith apast participle—usually a verb ending in-d, -ed, or-n—indicates actions or events that have been completed or have happened in the present. Examples of the present perfect include: ...