C. Verbs (Unit 14-41)
- Verb Forms, ex. 14.1, 14.2, 14.3
- Using the Verb Forms, ex. 15.1, 15.2
- The Verb Be, ex. 16.1
- Auxiliary Verbs: Do/Have/Be, ex. 17.1, 17.2
- Imperative , ex. 18.1
- Present Simple -- Formation, ex. 19.1, 19.2
- Present Simple -- Use, ex. 20.1
- Past Simple, ex. 21.1
- Present Continuous, ex. 22.1, 22.2
- Past Continuous, ex. 23.1, 23.2
- Present Perfect -- Formation, ex. 24.1
- Present Perfect -- Use, ex. 25.1
- Past Perfect, ex. 26.1, 26.2, 26.3, 26.4
- Modal Verbs, ex. 27.1, 27.2, 27.3, 27.4
- Can
- Could, ex. 29.1
- May and Might, ex. 30.1, 30.2
- Will and Shall, ex. 31.1
- Would, ex. 32.1
- Must and Should, ex. 33.1, 33.2
- Have to/Need to/Needn't, ex. 34.1
- Necessity and Advice, ex. 35.1, 35.2
- Other Modal Constructions, ex. 36.1, 36.2
- Be Going to, ex. 37.1, 37.2, 37.3
- Used to, ex. 38.1, 38.2
- Verbs and Present Time, ex. 39.1, 39.2
- Verbs and Past Time, ex. 40.1, 40.2, 40.3
- Verbs and Future Time, ex. 41.1, 41.2
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