Tenses help us express time of action: Present, Past, Future.

| Type | Formula | Example | Usage |
|---|---|---|---|
| **Simple Present | |||
| do /does** | Subject + V1 (+ s/es) + obj | She plays cricket. | |
| I play cricket. | Habit, routine, facts, universal truth | ||
| Present Continuous =ing | Subject + is/am/are + V1 + ing + obj | ||
| ( HE/SHE/IT/NAME … IS | |||
| I …. AM | |||
| YOU/WE/THEY…. ARE ) | I am reading a book. | Action happening right now | |
| Present Perfect = v3 Completed action | Subject + has/have + V3 | ||
| (HAS… HE/SHE/IT/NAME | |||
| HAVE…I/WE/YOU/THEY ) | They have finished homework. | Action just completed, result important , relevance is in present. | |
| Present Perfect Continuous ( HAS/HAVE BEEN + Ving + SINCE/FOR + TIME ) | Subject + has/have + been + V1 + ing + since/for +time + obj |
Since … for a specific period of time / Starting / particular date
For…… Duration | He has been studying for 2 hours. | Action started in past and continuing till now |
| Type | Formula | Example | Usage |
|---|---|---|---|
| Simple Past = v2 | Subject + V2 + obj | ||
| did+not + v1 | We visited Delhi. | Completed action in past | |
| Past Continuous = ing | Subject + was/were + V1 + ing | ||
| ( was… HE/SHE/IT/NAME/I | |||
| were… YOU/THEY/WE ) | I was watching TV. | Action going on at a specific past time | |
| Past Perfect = v3 completed action | Subject + had + V3 | She had left before I arrived. | One action completed before another past action |
| Past Perfect Continuous | Subject + had + been + V1 + ing + since/for + time + obj | He had been working there for 5 years. | Action continuing for a period in the past |