Present Simple Tense + Present Continuous Tense, Past Simple Tense + Past Continuous Tense, Present Perfect Tense + Past Perfect Tense, Present Perfect Continuous Tense + Past Perfect Continuous Tense, Simple Future Tense + Future Intentions (Going to/will), Yes/No & WH- questions, Subject Verb Agreement, Conditionals (1st/2nd/Zero), Modals, Quantifiers, Degrees of Comparison, Prepositions, Voice (Active/Passive), Narration (Direct/Indirect Speech)