Parallelism and paraphrasing is the first thing I did to improve my academic writing. These are really effective to write an academic paper. I always try to write an academic paper, then, I examine the reference. The significant sentences or other parts of the reference papers can be paraphrasing to put into my paper with citations. The following videos are very useful.
The following parallel structure is almost same but we can learn a lot from the video.
Paraphrasing Reference Youtube video(Diveln Learning)