Here’s the section of my paper that I’d like to polish: [Insert paper section here]. My focus is mainly on changing the grammar of this fragment, so please read it and make sure that the actions in the sentences are all past perfect. Make changes to the grammar only and check the grammar for any other errors before the touch-ups are complete.
将句子的时态改成过去式
撰写英文文章时可以一键将文章改成过去式，适合已知决定将那些句子改成过去式。高效