【病句诊断】
His classmate was absorbed to draw a picture.
他的同学在聚精会神地画一张画。
【辨析讲解】
这个句子中有个关键的动词absorb,这个动词后面不能接动词不定式,所以要解决这个病句,还是得用be absorbed in 这个结构,那么注意和上回不同的是,介词in后面接动名词,即be absorbed in doing something。
【诊断结果】
His classmate was absorbed in drawing a picture.
【举一反三】
She is absorbed in singing and dancing.
她热衷于唱歌跳舞。