?一：clean的過(guò)去式怎么說(shuō)？的意思：

clean的過(guò)去式是cleaned，表示“清潔”的過(guò)去完成動(dòng)作。clean是一個(gè)常用的動(dòng)詞，意為“清潔；打掃；整理；擦凈”。

二：用法：

1. 作為動(dòng)詞，cleaned可以用來(lái)表示“清除污垢、灰塵等”、“使干凈”、“整理、收拾”等含義。

2. 過(guò)去式一般用于完成時(shí)態(tài)，表示在過(guò)去某個(gè)時(shí)間點(diǎn)已經(jīng)完成的動(dòng)作或狀態(tài)。

3. 在進(jìn)行時(shí)態(tài)中，可以使用was/were cleaning來(lái)表示“正在清潔”。

三：例句1-5句且中英對(duì)照：

1. I cleaned the house yesterday. (昨天我打掃了房子。)

2. She cleaned the windows with a cloth. (她用布擦了窗戶。)

3. They had cleaned the room before the guests arrived. (客人到達(dá)之前，他們已經(jīng)把房間打掃干凈了。)

4. The maid was cleaning the kitchen when I came home. (當(dāng)我回家時(shí)，女傭正在打掃廚房。)

5. He cleaned his car every week to keep it shiny and new. (他每周都會(huì)清洗汽車，保持它閃亮如新。)

四：同義詞及用法：

1. Washed：也是clean的過(guò)去式形式，但更多指使用水或清潔劑來(lái)清洗。

例句：I washed my hands before dinner. (晚餐前我洗了手。)

2. Scrubbed：意為“擦洗；刷洗”，側(cè)重于用力擦洗。

例句：She scrubbed the floor until it was spotless. (她擦了地板直到它變得一塵不染。)

3. Polished：意為“擦亮；拋光”，強(qiáng)調(diào)使物體表面光滑、光亮。

例句：He polished his shoes before going to the party. (他在去參加聚會(huì)前擦亮了鞋子。)

4. Tidied up：意為“整理；收拾”，側(cè)重于使物品有序。

例句：She tidied up her desk before leaving the office. (她在離開(kāi)辦公室前整理了一下桌子。)

5. Swept：也是clean的過(guò)去式形式，但更多指用掃帚清掃。

例句：He swept the leaves off the driveway. (他把車道上的樹葉掃走了。)