had better可以跟助动词吗

2025-01-23 08:04:00
推荐回答(3个)
回答1:

 had better是情态动词,后面应该接动词原形。

had better是固定词组,相当于一个情态动词,用来表示一种建议和劝告,意思是“最好……”、“还是……好”。要用好它,我们应注意以下几个方面:
  1. 人称和数的形式:had better中had无人称、数和时态的变化。
  2. 缩写形式:had better可以与作主语的人称代词缩写。如:I'd better,You'd better等。
  3. 易被误解的两种形式:had虽为过去形式,但无过去的意义;better虽为比较级形式,但无比较意义。
  4. 肯定句形式:“主语+had better+动词原形+….”如:
  It's raining outside.You'd better put on your raincoat.外面在下雨,你最好穿上雨衣。
  5. 否定句形式:“主语+had better not+动词原形+…”,不能借助助动词didn't来否定(即不能用“didn't have better+动词原形”)。如:You had better not wake me up before 6 o'clock.六点钟之前 你最好不要叫醒我。
  说明:现代英语也可用“had not better+动词原形”或“hadn’t better +动词原形”。
  6. 一般疑问句形式:Hadn’t/ Had +主语+ better+动词原形+...?, 其肯定答语形式为:(Yes,) 主
  语+’d better. 或Yes, 主语+ should/ had. 否定答语形式为:(No,) 主语+’d better not. 或No,主语+shouldn’t/ hadn’t. 如:
  ---Hadn’t you better do your homework at home?你是不是最好在家做功课?
  ---(Yes,) I’d better. 或Yes, I should/ had. 是的,我最好在家做功课。
  ---Had we better leave early ? 我们是不是最好早些离开?
  ---(No,) we’d better not. 或No, we shouldn’t/ hadn’t. 不,我们最好不要早离开。
  7. 特殊疑问句形式:“疑问词+had+主语+better+动词原形+…?”
  What had we better do ? 我们最好做些什么呢?
  说明:had better很少用于特殊疑问句。

一、哪些:can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) .
二、情态动词有哪些共同特征
情态动词是一种本身有一定的词义,表示说话人的情绪,态度或语气的动词,但不能单独作谓语, 只能和其他动词原形构成谓语。情态动词无人称和数的变化, 情态动词后面跟的动词需用原形,否定式构成是在情态动词后面加 "not"。 个别情态动词有现在式和过去式两种形式, 过去式用来表达更加客气, 委婉的语气, 时态性不强, 可用于过去,现在或将来。
三、had better have to是情态动词,也可认作半助动词
助动词是 be have do
情态助动词 13个
半助动词
appear to
seem to ,come to, fail to ,get to ,happen to ,seem to , tend to, turn out to ,have to , had better
四、情态动词否定式构成是在情态动词后面加 "not"。
半助动词否定两种都可以
do not seem to = seem not to

回答2:

  had better是情态动词,后面应该接动词原形。
  满意请采纳,谢谢。

回答3:

不可以。had better后面直接跟动词原形。

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