This video covers Present Continuous, Past Continuous and Future Continuous Tenses Present continuous tense : we refer to on going activity. struture of it is : S + (am/is/are) + verbs ing form + object. Past continuous tense : we refer to past incomplete activity until some another activity began. struture of it is : S + (was/were) + verbs ing form + object. Future continuous tense : we refer to future incomplete activity until some other event occurs. Structure of it is : S + (will be) + verb’s ing form + Object