这三个都是动词 “brush(刷)” 的不同用法,主要差别在 时态和主语。我帮你用简单方式解释
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1️⃣ brushed
过去式(Past Tense)
表示 已经发生在过去的动作。
结构:
主语 + brushed
例子:
I brushed my teeth this morning.
(我今天早上刷了牙)
She brushed her hair.
(她梳了头发)
什么时候用:
事情已经发生
时间在过去(yesterday / this morning / last night)
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2️⃣ has brushed
现在完成时(Present Perfect)
用于 第三人称单数(he / she / it)
结构:
He / She / It + has brushed
例子:
She has brushed her teeth.
(她已经刷牙了)
He has brushed the dog.
什么时候用:
动作 已经完成
但 时间不重要或没有说
常见词:
already(已经)
just(刚刚)
yet(还没 / 已经)
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3️⃣ have brushed
现在完成时(Present Perfect)
用于 I / You / We / They
结构:
I / You / We / They + have brushed
例子:
I have brushed my teeth.
(我已经刷牙了)
They have brushed the horse.
什么时候用:
动作已经完成
主语不是第三人称单数
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⭐最简单记法
主语 用法 例句
I / You / We / They have brushed I have brushed my teeth.
He / She / It has brushed She has brushed her hair.
任何主语 brushed(过去) I brushed my teeth yesterday.
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✅ 一句口诀:
过去发生 → brushed
已经完成 → have / has brushed