Tenses
Tenses Definition Tenses denote the time of action. They show when the work is done. They are: Present Tense Past Tense Future Tense They are further divided into: Present Tense Simple Present- It is used to denote scientific facts, universal truths and work done on daily basis. ASSERTIVE RULE — sub + V1 + s/es + object Example – She writes a letter. NEGATIVE RULE — sub + do/does not + v1 + object Example – She does not write a letter. INTERROGATIVE RULE — Does + sub + v1 + object Example – Does she write a letter? INTERROGATIVE NEGATIVE ASSERTIVE — Does + sub + not + v1 + object Example – Does she not write a letter? Present Continuous – It is used to express an action taking place at the time of speaking. ASSERTIVE RULE — sub + is/am/are + v1 + ing + object Example – she is writing a letter. NEGATIVE RULE — sub + is/am/are + not + v1 + in...