forget to do sth和fail to do sth 的区别

fail to do sth与forget to do的区别 forget to do sth和fail to do sth 的区别 forget doing sth 和 forget to do sth的区别 fail to do sth和fail in doing sth的区别 forget to do sth.和forget doing sth.以及frighten 和frightened的区别 请问forget to do sth与forget doing sth 的用法和区别 fail to do sth=? wish to do sth和expect to do sth和hope to do sth的区别 be to do sth和will do sth的区别 forget doing sth和forget to do sth有什么区别? forget doing sth与 forget to do sth 用法的区别 forget to do sth．与forget doing sth.的区别?