It is a grammar include nouns, adjectives, articles, verbs, adverbs, gerunds, pronouns, prepositions, conjuctions.
Nouns - main types(common, proper, compoud, abstract, collective), plurals (-s, -es), countable nouns, uncountable nouns.
Adjectives - comparatives (taller, bigger), superlatives (highest, most beautiful).
Articles (a, an, the) - when to use and when not. For example: "the" use before names of rivers, points on the globe,...
Verbs - transitive (eat, cook, read,...), for example: I can´t eat this. intransitive (come, go, arrive,...) for example: I came home., infinitives, verb forms (base form, past simple, past participle, present participle) - regular past simple and past participle end with -ed for example: stop, stopped, stopped, stopping, iregular verbs for example: go, went, gone, going or come, came, come, coming. And auxiliary verbs (be, do, have)
Adverbs (manner - hard, place - here, time - now, degree - very, frequency - once, comment, attitude, linking, viewpoint, limiting)
Gerunds (-ing) - for example playing
Pronouns - personal (me, you...), possessive (mine, your,..) reflexive (myself, yourself,...), relative (who, what,...) and difference between possessive pronoun and possessive adjective
Prepositions - time/date (at, on,...), movement (to, into,...), place (above, over,...)
Conjuctions - join word of the same class (and, but, or,...) or join clauses of sentences ( as, before, becouse,...)