Tense in Grammar

Tense in grammar 1. Present Tense Simple Present Usage : To express habitual actions, general truths, and facts. Structure : Subject + base form of verb ( add 's' or ' es ' for third person singular). Example: She writes every day. Present Continuous Usage : To describe an action happening right now or a temporary situation. Structure : Subject + am/is/are + verbing . Example: I am studying right now. Present Perfect Usage : To describe an action that happened at an unspecified time and has relevance to the present. Structure : Subject + has/have + past participle. Example: He has finished his homework. Present Perfect Continuous Usage : To describe an action that started in the past and is still continuing or was recently completed. Structure : Subject + has/have + been + verbing . Example: She has been reading for an hour. 2. Past Tense Simple Past Usage : To describe an action that happened and was completed in the past. Structure : Subject + past form of verb. Example: They visited the museum yesterday. Past Continuous Usage : To describe an action that was happening at a specific time in the past or was interrupted by another action. Structure : Subject + was/were + verbing . Example: I was watching TV when the phone rang. Past Perfect Usage : To describe an action that was completed before another action in the past. Structure : Subject + had + past participle. Example: She had already left when I arrived. Past Perfect Continuous Usage : To describe an action that was ongoing in the past before another action or point in time. Structure : Subject + had + been + verbing . Example: They had been studying for two hours when the teacher arrived. 3. Future Tense Simple Future Usage : To describe an action that will happen in the future. Structure : Subject + will + base form of verb. Example: I will go to the market tomorrow. Future Continuous Usage : To describe an action that will be happening at a specific time in the future. Structure : Subject + will + be + verbing . Example: At this time tomorrow, I will be traveling to Dhaka. Future Perfect Usage : To describe an action that will be completed before a certain time in the future. Structure : Subject + will + have + past participle. Example: By next year, she will have finished her studies. Future Perfect Continuous Usage : To describe an action that will have been ongoing for a period of time before a future point. Structure : Subject + will + have + been + verbing . Example: By next month, I will have been working here for five years. Key Notes: Verb forms : Regular verbs in the past form end in ed , but irregular verbs have unique past forms (e.g., go ? went ). Auxiliary verbs : Be, have, and will are used to form continuous, perfect, and future tenses.