Grammatical structure is the most complicated sphere in the learning of the English language and therefore requires more attention in the course of learning.
Topic 1 Types Of Nouns
Topic 2 Numbers Of Nouns
Topic 3 Countable And Uncountable Nouns
Topic 4 Expressions Of Number And Quantity
Topic 5 Types Of Verbs
Topic 6 Model Verb For Making Requests
Topic 7 Modal Verbs 'May' And 'Might' For Seeking Or Giving Permission
Topic 8 Modal Verbs For Expressing Obligation
Topic 9 Modal Verbs For Expressing Ability And Possibility
Topic 10 Principal Parts Of Verbs
etc.