谓语部分的构成不完整:丢掉be动词.或忘记把动词变成现在分词.例: (1)误:Look!Two children flying (fly) a kite in the park. 正:Look!Two children are flying (fly) a kite in the park. (2)误:Li Ming isn’t read a book in bed now. 正:Li Ming isn’t reading a book in bed now. 解析:现在进行时的谓语部分的构成是“be+现在分词 .二者缺一不可.这一点必须要牢记. 【查看更多】
