@fertymerzara
English is a language where 1+1 is sometimes 3, or 4, or 5 🙂
In English the rules are sometimes superceded by other rules on an arbitrary basis.
It appears there are no hard and fast rules to mastering it.
The only ‘fail proof’ strategy seems to be to get a critical mass of vocabulary and grammar through reading widely, formal education, watching educative videos, listening to high quality audiobooks, etc.