will be句型和be going to的句型的区别及用法?

will be句型和be going to的句型的区别及用法? going to be ,will be ,will have ,的区别及用法 there is going to be 和there is going to have 的区别及用法,还有will h be doing be is going to will用法的区别 关于be going to句型的详解? 问下be going to 的句型 be going to be和will be的区别 一般将来时句型除了 be going to和will be going to 和will的区别 will和be going to的区别 be going to 和 will 的区别 will和be going to的区别?