"We breakfast at seven"
误 The breakfast is ready, sir.
正 Breakfast is ready, sir.
析 通常在一日三餐breakfast, lunch, supper前不加a或the。
那天是8点钟吃的早饭。误 Breakfast was had at eight o'clock that day.
正 We had breakfast at eight o'clock that day.
析 have breakfast通常只用主动形式。