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12. 不定式进行时

We are lucky enough to be talking to Anna Scott.

不定式的进行时(Progressive Infinitive)详解

不定式的进行时(to be + 现在分词)是英语中一种重要的非谓语动词结构,用于强调动作的持续性进行性。它的基本形式是:

to be + V-ing(如:to be talking, to be working, to be studying


1. 基本用法

不定式的进行时主要表示:

(1) 强调动作的进行性(与谓语动词同时发生)

表示在某一时刻或时间段内正在进行的动作,通常与谓语动词的动作同时发生。

  • She seems to be crying.
    (她似乎在哭。)
    → "哭"的动作与"似乎"同时发生。

  • He pretended to be sleeping.
    (他假装在睡觉。)
    → "假装"时,"睡觉"的动作正在进行。

  • I’m happy to be working with you.
    (我很高兴正在和你共事。)
    → "高兴"时,"共事"的动作正在进行。

(2) 表示将来的持续动作(与将来时连用)

将来时计划性动作中,表示将来某段时间内会持续进行的动作。

  • Next week, I hope to be traveling in Europe.
    (下周,我希望正在欧洲旅行。)
    → 强调"下周某个时间点正在旅行"。

  • By this time tomorrow, he will be lying on the beach.
    (明天的这个时候,他将正躺在沙滩上。)
    → 将来某个时间点正在进行的动作。


2. 常见搭配动词

不定式的进行时经常与以下动词搭配使用:

动词类别例子
感官动词seem, appear, look, sound
心理状态动词hope, expect, want, pretend
情感动词like, love, hate, be glad, be happy
推测动词believe, think, consider

例句:

  • She appears to be waiting for someone.(她似乎在等人。)
  • I hate to be interrupting you, but…(我不想打断你,但是……)
  • They are believed to be hiding in the forest.(据信他们正躲在森林里。)

3. 与一般不定式(to do)的区别

不定式类型含义例句
一般不定式(to do)表示习惯、目的或未发生的动作She likes to swim.(她喜欢游泳。)
进行时不定式(to be doing)表示正在进行的动作She seems to be swimming now.(她似乎正在游泳。)

对比:

  • He wants to eat.(他想吃东西。)→ 还未吃
  • He seems to be eating.(他似乎正在吃。)→ 正在吃

4. 特殊结构

(1) 被动进行时不定式(to be being + 过去分词)

表示“正在被做”,但较少使用,通常用一般被动不定式(to be done)代替。

  • The house seems to be being built.(不自然)
  • The house seems to be under construction.(更自然)

(2) 完成进行时不定式(to have been doing)

表示“一直在做某事”,强调动作的持续性。

  • She seems to have been working all night.
    (她似乎整晚都在工作。)

5. 常见错误

错误: He seems to work now.(×)
正确: He seems to be working now.(√)
→ 强调"现在正在工作",必须用进行时不定式。

错误: I like to be swimming every day.(×)
正确: I like to swim every day.(√)
→ 表示习惯性动作,用一般不定式即可。


6. 总结

要点说明
结构to be + V-ing
作用强调动作的进行性(正在发生或将来持续)
常用搭配seem, appear, hope, pretend, like, hate 等
与一般不定式的区别一般不定式表习惯/目的,进行时表正在发生

例句总结:

  • She seems to be studying.(她似乎正在学习。)
  • I’m glad to be working with you.(我很高兴正在和你共事。)
  • Next month, he hopes to be traveling.(下个月,他希望正在旅行。)

希望这个详细解析对你有帮助!如果还有疑问,欢迎继续提问 😊