首先我们来看下there is going to be和there is going to have的大致意思：
there is going to be：词性为短语，其中there is为there be的现在时形式，表示存在；going to be则表示将要发生。
there is going to have：词性为短语，其中there is为there be的现在时形式，表示存在；going to have则表示将要拥有或经历。
通过下面的表格我们了解下there is going to be和there is going to have的含义、发音和用法
接下来让我们看下there is going to be和there is going to have的用法区别：
1.基本意义：there is going to be表示将要发生某事，而there is going to have表示将要拥有某物或经历某事
例子：
- There is going to be a concert here tomorrow.
(明天这里将要举行一场音乐会。)
- They are going to have a new house.
(他们将要拥有一个新的家。)
2.词性：there is going to be是动词+介词短语，而there is going to have是动词+介词+动词短语
例子：
- There are going to be a lot of people participating in the event tomorrow.
(明天会有很多人参加这个活动。)
- I am going to have my own car.
(我将要拥有属于自己的汽车。)
3.用法：there is going to be常用于表示未来某个时间或地点将会有某事物或事件发生，而there is going to have常用于表示未来某个时间或地点将会拥有某物或经历某事
例子：
- There is going to be an important meeting in the company next week.
(下周公司将要举行一次重要会议。)
- They are going to have a baby next year.
(他们明年将要有一个孩子。)
4.发音：there is going to be的英式发音为ðeər ɪz ˈɡəʊɪŋ tuː biː，而there is going to have的英式发音为ðeər ɪz ˈɡəʊɪŋ tuː hæv
例子：
- There is going to be a wonderful performance tonight.
(今晚将要有一场精彩的表演。)
- You are going to have a great day tomorrow morning.
(明天早上你将要拥有一个美好的一天。)
5.语态：there is going to be可以用于被动语态，而there is going to have不能用于被动语态
例子：
- This project is going to be postponed.
(这个项目将要被推迟。)
- We are going to be assigned to different groups.
(我们将要被分配到不同的小组。)
6.动词搭配：there is going to be常与表示事件或事物的名词搭配，而there is going to have常与表示拥有或经历的名词搭配
例子：
- There is going to be a surprise for you tomorrow.
(明天会有一个惊喜等着你。)
- They are going to have a peaceful life.
(他们将要拥有一个平稳的人生。)