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AAI脑图#4764232026-03-09 05:06
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一、核心用法

正在进行的动作

  • 具体时间点
    • 表达在过去某个特定时刻发生的动作。

持续进行的动作

  • 时间段内
    • 描述在过去的某一段时间内持续进行的活动。

背景与其他动作

  • 长动作用短动作
    • 与一般过去时搭配使用,强调背景中的长时间动作和突然的短时间动作。

带有感情色彩的频繁动作

  • 表示过去反复或习惯性、充满情感的行为。

二、时间标志词

具体时间表达

  • at + 具体时间点(例:at 7:00 last night)

时间衔接词

  • then, at that time, at that moment

强调同时进行

  • while(当……时候),用于描述动作同时进行的场合。

指定时间范围

  • from 7 to 9 last night

三、句子结构

肯定句

  • 主语 + was/were + 动词 -ing
    • 示例:I/He/She/It + was + doing; We/You/They + were + doing

否定句

  • 主语 + wasn’t/weren't + 动词 -ing

一般疑问句

  • Was/Were + 主语 + 动词 -ing?

特殊疑问句

  • 疑问词 + Was/Were + 主语 + 动词 -ing?

四、动词 -ing 变化规则

一般规则

  • 直接加 ing(如 do→doing)

去 e 加 ing

  • 不发音 e 的动词去掉 e,加 ing(如 write→writing)

双写尾字母

  • 重读闭音节双写末尾辅音加 ing(如 run→running)

ie 变 y

  • 以 ie 结尾的动词变 ie 为 y 加 ing(如 lie→lying)

五、小学常考动词清单

阅读、写作等

  • reading, writing, drawing, singing, dancing

跑步、跳跃等

  • running, jumping, swimming, playing

看电视、做作业

  • watching TV, doing homework

饮食与休息

  • eating, drinking, cooking, washing

清洁、睡觉、交谈

  • cleaning, sleeping, talking, walking

自然现象

  • raining, blowing, shining

六、经典句型 & 例句

具体时刻正在做

  • I was reading a book at 8 last night.
  • He was sleeping at this time yesterday.

某段时间持续做

  • They were playing basketball from 4 to 6.
  • We were watching TV last evening.

长动作 + 短动作

  • I was reading when he came in.
  • While I was cooking, the phone rang.

否定句示例

  • He wasn’t watching TV at that time.

疑问句示例

  • Were you sleeping at 9?
  • What were you doing just now?

情境常用句

  • It was raining heavily last night.
  • What were you doing at that moment?
  • The birds were singing in the tree.