See example below. Move through article with purpose. “Talk back” to the authors.
Use margin space to summarize and alert yourself where to find info you need.
Use abbreviations & symbols: 
?😊☹⭐!
In margins write opinions, reactions, Qs for discussion, comparisons to other things you’ve heard/read.
In a Paragraph: words or phrases to look for:
| surprising | because | hypothesize that |
| unexpected | As a result, leading to | propose |
| in contrast with previous work | however/yet | introduce |
| has seldom been addressed | It may be that | develop |
| We argue | Thus/Therefore | theory/theoretical |
| In fact/Indeed | suggests |
