“交朋友”要說make friends ,因為至少有兩個人才能交朋友,所以用復(fù)數(shù)friends ,不用friend。再如change seats (換座位),change trains (換火車),make faces (做鬼臉)等也都要用復(fù)數(shù)名詞。
She has made friends with a lot of students. 她同許多學(xué)生交了朋友。
He changed seats with an old man. 他同一位老人換了座位。
Don't make faces . 不要做鬼臉。
She changed trains at Nanjing. (正)她在南京換火車 。
She changed train at Nanjing. (誤)
She changed a train at Nanjing. (誤)