作者:纪晓风(高考志愿填报专家)
发布时间:2025-02-15 05:16:38
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be动词后面的动词形式,是英语学习中的一大重点。大家一定要记牢,be动词后面可以跟现在进行时(-ing)、被动语态(-ed)和不定式(to do)三种形式。
1现在进行时(-ing)
当be动词后面跟现在进行时,表示正在进行的动作。比如:“I'm trying to give you the right answer.”(我正在试着给你正确答案。)
2被动语态(-ed)
被动语态是be动词后面跟动词的过去分词形式,表示主语是动作的承受者。比如:“I'm told that you don't know her.”(我被告知你不认识她。)
3不定式(to do)
不定式形式较为复杂,有多种含义和用法:
表示按计划或安排要做的事,如:“They said goodbye, little knowing that they were never to meet again.”(他们告了别,不知道以后再也不会见面了。)
表示“应该”,相当于should或ought to,如:“You are to report to the police.”(你应该报警。)
表示“必须”,相当于must或have to,如:“The letter is to be handed to him in person.”(这封信必须亲手交给他。)
表示“想,打算”,相当于intend或want,如:“If we are to be there before ten, we'll have to go now.”(如果我们要在十点前到,我们现在就得走。)
4四、be动词的变形
咱们再来聊聊be动词的变形。be动词有八种形式:am, is, are, been, being, was, were, 以及原形be。选择哪种形式,要看语句的时态和主语的人称及复数:
时态 | 第一人称单数 | 第三人称单数 | 第一人称/第二人称/第三人称复数 |
一般现在时 | am | is | are |
一般过去时 | was | was | were |
进行时态 | am being | is being | are being |
完成时态 | have been | has been | have been |
将来时态 | will be | will be | will be |
5五、总结
总结一下,be动词后面的动词形式有三种:现在进行时、被动语态和不定式。同时,be动词还有多种变形,选择哪种形式要看语句的时态和主语的人称及复数。大家在学习时,一定要结合例句,多加练习,才能掌握得更加牢固。
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