×


系统正在处理中....

窗口将在 5 秒后自动关闭.

客户服务
帮助

be  
添加到生字笔记
KK:[bi] DJ:[biː]
  • v.aux. 正在……;被……;已经……;应该做……
  • v. 是;要;有;逗留

动变: 过去式:was  过去式:were  过去分词:been  现在进行时:being  

权威释义

v.aux.

  1. (与动词的现在分词连用,构成各种进行时态)正在……,在……
  2. (与及物动词的过去分词连用,构成被动语态)被……
  3. 【旧】(与不及物动词go, come, rise等的过去分词连用,构成完成时)已经……
  4. (与动词不定式连用,表示职责、义务、意图、约定、可能性等)应该做……,必须做 ……;预定做……;会做……

vi.

  1. 是[L]
  2. (表示时间、度、量、价值等)是;值;等于[L]
  3. (常用祈使语气或不定式)要,得;成为;变成[L]
  4. (与there连用)有[L]
  5. 逗留,(继续)呆[L]
  6. 在[Q]
  7. 存在
  8. 听任

辨析

以上来源于:《英汉大辞典》

v.

(sing. present am; are; is; pl. present are; 1st and 3rd sing. past was; 2nd sing. past and pl. past were; present subjunctive be; past subjunctive were; present participle being; past part. been)
  1. (usu. there is/are) exist; be present.
  2. take place.
    ▸occupy a position in space.
    ▸stay in the same place or condition.
    ▸come; go; visit.
  3. (when connecting a subject and complement) having the specified state, nature, or role:
    ▸represent or signify.
  4. informal say:

aux. v.

  1. used with a present participle to form continuous tenses.
  2. used with a past participle to form the passive voice.
  3. used to indicate something that is due to happen.
    ▸used to express obligation or necessity.
    ▸used to hypothesize about something that might happen.

Phrase

  • the be-all and end-all
    informal a feature of an activity that is of greater importance than any other.
  • not be oneself
    not feel in one's usual physical or mental state.
  • -to-be
    of the future:

Etymology

OE bēon, an irregular verb whose full conjugation derives from several orig. distinct verbs; the forms am and is are rel. to L. sum and est.

以上来源于:《简明牛津英语词典》


查看更多