Verbs:

verb to be | verb to do | verb to have | subject pronouns | object pronouns | nouns | verbs |countable and uncountable nouns | singular nouns and plural nouns

Articles

a an | how much | how many | possessive | some any | enough

Tenses:

present simple tense | future simple tense | past simple tense 

Comparison and Degree

comparative | superlative | conjunctions | preposition

there is | there are | this is | that is | these | those | can | cannot | WH questions

Numbers

times | days | months | quantities

Miscellaneous

if clause | opposite words | alphabet | colors | occupations | body parts