以下是一些表建议的英语高级句型，供您参考：

I suggest that you should consider taking action to address the issue.

It would be advisable to take steps to address the matter.

I propose that we take proactive measures to address the issue.

It is recommended that you take prompt action to address the matter.

It is imperative that we take swift action to address the issue.

希望这些句型能对您有所帮助！