coughed是cough的過(guò)去式。

v.咳嗽;(從喉嚨或肺中)咳出;突然發(fā)出刺耳的聲音;

第三人稱(chēng)單數(shù)coughs 現(xiàn)在分詞coughing

過(guò)去分詞coughed 復(fù)數(shù)coughs

Try gargling with salt water as soon as a cough begins

一開(kāi)始咳嗽就馬上試著用鹽水漱口。