我是如此的高兴你即将回来.i'm so happy that you will come back.

我是如此的高兴你即将回来.i'm so happy that you will come back.
我是如此的高兴你即将回来.i'm so happy that you will come back.

我是如此的高兴你即将回来.i'm so happy that you will come back.
你的句子意思是：我太高兴以致于你将回来.
so.that...太什么以致.接的是结果.
EX：This box is so heavy that I can't carry it.
我觉得是下面那句:
I‘m so happy as you will come back.

你好，这样翻译语法没有问题，是可以的。
希望对你有帮助~~~

对啊，没有语法错误，但是so that是如此 以致于的意思，不是很符合，