when parents have allowed their children
when parents have allowed their children
to make mistakes and see their money wasted,with no more money for other things,the children will learn a useful lesson这句话中是因为有when所以要用现在完成时?还可以用其他什么时态呢?
to make mistakes and see their money wasted,with no more money for other things,the children will learn a useful lesson这句话中是因为有when所以要用现在完成时?还可以用其他什么时态呢?
可能相似的问题