English grammar (see English Grammar) is comparatively light, but a few specific features are worth prioritizing over others for maximum early usefulness.
Since English relies on word order (not case marking) to show who's doing what to whom, getting SVO order automatic is the single highest-priority grammar skill — nearly everything else builds on top of this foundation.
The auxiliary verb "do" pattern ("Do you like coffee?", "I don't like coffee") is used constantly in everyday English — prioritizing it early gives outsized conversational usefulness relative to more advanced grammar points.
Complex tense forms (present perfect continuous, and similar combinations) are far less frequent in everyday conversation than simple present, past, and future — it's reasonable to defer these until basic tenses are automatic.
Article usage has enough genuine exceptions that memorizing rules alone under-delivers — extensive reading and listening exposure, alongside the rules, builds a more reliable intuition over time.
See also the reference page: English Grammar.
Automatic subject-verb-object word order — since English relies on word order rather than case marking to show who's doing what to whom, nearly everything else builds on this foundation.
Because it's used constantly in everyday questions and negatives ("Do you like coffee?", "I don't like coffee"), giving outsized conversational usefulness relative to more advanced grammar.
It's reasonable to defer them — complex tense forms are far less frequent in everyday conversation than simple present, past, and future, so basic tenses deserve priority first.
Not entirely — article usage has enough genuine exceptions that extensive reading and listening exposure, alongside the rules, builds more reliable intuition over time.