could
/ˈkʊd/KK
變化形
coulds
coulded
coulded
coulding
1.
能夠;會
用來表示過去具備某種一般能力,或當時懂得做某事。
用法:could 後面接原形動詞,不加 to。否定為 could not 或縮寫 couldn't。
I could not hear the teacher because the room was too loud.
我聽不見老師,因為房間裡太大聲了。
When my grandfather was young, he could ride a bike to school every day.
我祖父年輕時,每天都能騎腳踏車去上學。
還有 4 個進階的意思(國小之後才會學到)
2.
可以……嗎;能不能……
用於禮貌地請求別人做事,或詢問是否被允許做某事。語氣通常比 can 更委婉。
用法:Could you+原形動詞?用來請人幫忙。Could I+原形動詞?用來詢問許可。這裡的 could 不表示過去時間。
Could you save a seat for me in the library?
你可以幫我在圖書館留個位子嗎?
Could I use your phone for a few minutes?
我可以用你的手機幾分鐘嗎?
3.
可能;有可能
用來表示某件事有發生的可能,但說話者不確定。
用法:could+原形動詞可表示現在或未來的可能性。could be 後面可接名詞、形容詞或地點等補語。
The train could be late because of the heavy rain.
火車可能會因為大雨而晚到。
If we leave later, the trip could take less than an hour.
如果我們晚一點出發,這趟路程可能不到一個小時。
4.
本來可以;就能夠
用於假設或條件句,表示在某個想像的條件下可能做到的事、可能出現的結果或可行的選擇。
用法:常見句型為 If+過去式,主詞+could+原形動詞。也可用 could have+過去分詞談論過去未實現的可能。
If I had a scooter, I could get to school faster.
如果我有一台機車,我就能更快到學校。
With a little more time, we could finish our work today.
如果再多一點時間,我們今天就能完成工作。
5.
可以考慮……;不妨……
用來提出建議、選項或可採取的做法,語氣較不強硬。
用法:could+原形動詞用於建議時,通常不表示能力或過去時間。若要加強建議,可說 You could try ...。
You could take the train when the roads are busy.
路上車很多時,你可以搭火車。
For the class party, we could order pizza and fruit tea.
班級聚會時,我們可以訂披薩和水果茶。
常見錯誤
I could to help you.
I could help you.
Could you can help me?
Could you help me?
Yesterday, I could meet my teacher at the station.
Yesterday, I was able to meet my teacher at the station.
Could you to lend me your pen?
Could you lend me your pen?
相關字詞
學習提示
・could 的核心意思會隨語境改變:它可談過去能力、禮貌請求、可能性、假設結果或建議。
・Could you ...? 是請求對方幫忙,不是詢問對方是否「有能力」幫忙。
・否定式 couldn't 可表示「不能」、「不會」或「不可能」,實際意思要看上下文。