My suggestion is that we should go there at once. 我的建议是我们应该马上去那儿。
4.省略形式的虚拟语气。有时可以把含有助动词、情态动词、be或have的虚拟条件句中的连词if 省去,而将had, should, were 等词提到主语之前,即用倒装结构。这时,如果出现not等否定词时需放在主语后面。例如:
If she had been here five minutes earlier she would have seen her old friend. → Had she been here five minutes earlier she would have seen her old friend. 如果她早到五分钟,她就会看见她的老朋友了。