How do you use "would have + past participle" in a sentence?

I would have come if you had invited me. She would have been a great doctor. We would have won if we had practiced more. He would never have said that.

would have + past participle

Q: What does "would have + past participle" mean?

Hypothetical past actions or missed opportunities Expresses what would have happened in an unreal past situation. Used in third conditionals and to express regret about past decisions. 'I would have helped if I had known.'

Grammar Pattern BritishAmericanAustralian ★★★★★ Very Common Neutral

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含义: Hypothetical past actions or missed opportunities

假设性的过去行为或错失的机会

Acciones pasadas hipotéticas u oportunidades perdidas

仮定の過去の行為や逃した機会

가정의 과거 행위나 놓친 기회

Expresses what would have happened in an unreal past situation. Used in third conditionals and to express regret about past decisions. 'I would have helped if I had known.'

'Would have + 过去分词'表达假设性的过去行为或遗憾。用于第三条件句（If + 过去完成时，would have + 过去分词）。也可表达对过去决定的推测。

'Would have + participio' expresa acciones pasadas hipotéticas o arrepentimiento. Se usa en el tercer condicional (If + pasado perfecto, would have + participio). También puede expresar especulación sobre decisiones pasadas.

「Would have + 過去分詞」は仮定の過去の行動や後悔を表します。第三条件文で使います（If + 過去完了、would have + 過去分詞）。過去の決定についての推測も表せます。

비현실적인 과거 상황에서 무슨 일이 일어났을지를 표현한다. 제3조건문과 과거 결정에 대한 후회를 표현할 때 사용된다. 'I would have helped if I had known.'

例句

I would have come if you had invited me.
如果你邀请了我，我就会来的。
Habría venido si me hubieras invitado.
招待してくれていたら行ったのに。
초대해 줬더라면 갔을 텐데.
She would have been a great doctor.
她本可以成为一名优秀的医生。
Ella habría sido una gran doctora.
彼女は素晴らしい医者になれたでしょう。
그녀는 훌륭한 의사가 되었을 것이다.
We would have won if we had practiced more.
如果我们多练习，就会赢的。
Habríamos ganado si hubiéramos practicado más.
もっと練習していたら勝っていたでしょう。
더 연습했더라면 이겼을 것이다.
He would never have said that.
他绝不会那样说的。
Él nunca habría dicho eso.
彼は絶対そんなことは言わなかったでしょう。
그는 절대 그런 말을 하지 않았을 것이다.

发音

用法指南

语境: spoken, written, everyday

语气: regretful

✓ 正确说法

I would have called, but I lost your number.
我本来会打电话的，但我弄丢了你的号码。
Habría llamado, pero perdí tu número.
電話しようとしたけど、番号をなくした。
전화하려고 했는데, 네 번호를 잃어버렸어.
She would have liked that.
她会喜欢那个的。
A ella le habría gustado eso.
彼女はそれを気に入ったでしょう。
그녀는 그것을 좋아했을 거야.
It would have been a disaster.
那会是一场灾难。
Habría sido un desastre.
災害になっていたでしょう。
재앙이 되었을 것이다.
I would have gone.
我本来会去的。
Yo habría ido.
行っていたでしょう。
갔을 것이다.
I would have helped.
我本来会帮忙的。
Yo habría ayudado.
手伝っていたでしょう。
도와줬을 것이다.

✗ 错误说法

I would have went. (use 'gone')
I would have went.（应使用'gone'）
I would have went. (usar 'gone')
I would have went.（「gone」を使う）
I would have went.（'gone'을 사용）
I would of helped. ('of' is wrong - use 'have')
I would of helped.（'of'是错误的——应使用'have'）
I would of helped. ('of' es incorrecto — usar 'have')
I would of helped.（「of」は間違い——「have」を使う）
I would of helped.（'of'는 잘못됨 — 'have'를 사용）

起源与历史

Unreal past conditional

文化背景

Era: Modern

Generation: All ages

Social background: Universal