Rule No 6 - After, Before, At the time of, While, Start (in Hindi)

Rule No 1 - Is, Am, Are/Was, Were + (V3 & V4) (in Hindi)

8:30mins

Rule No. 2 - Has/Have/Had + V3 (in Hindi)

8:54mins

Rule No. 5 - V4 after FOR (in Hindi)

8:20mins

Rule No 6 - After, Before, At the time of, While, Start (in Hindi)

8:45mins

Rule No 7 - Use of V1 (in Hindi)

8:40mins