医院很大用英语怎么说

可以用 "The hospital is very large." 来表示医院很大。
"The" 是冠词，表示一个特定的医院，"hospital" 是名词，表示医院的意思，"is" 是助动词，表示现在的状态，"very" 是副词，表示很大的程度，"large" 是形容词，表示大的意思。
下面是一些使用该句型的英文例句及其中文翻译：
"The hospital is very large. It has over 500 beds and multiple departments." (这家医院很大，有超过 500 张床位和多个科室。)
"The hospital is so large that I got lost trying to find the elevators." (这家医院很大，我找电梯都迷路了。)
"I was surprised by how large the hospital was. It was much bigger than I expected." (我很惊讶这家医院有多大，比我想象的要大得多。)