0Simple Tense: Verb tense tells you when the action happens. There are three main verb tenses: present, past, and future. Each main tense is divided into simple, progressive, perfect, and perfect progressive tenses.
| Present | Past | Future | |
| Simple | Finish | Finished | Will finish |
| Progressive | Am/is/are finishing | Was/were finishing | Will be finishing |
| Perfect | Have/has finished | Had finished | Will have finished |
| Perfect Progressive | Have/has been finishing | Had been finishing | Will have been finishing |
Things to remember about simple tense:
a. Present tense is the original verb form.
b. Past tense has a few patterns.
c. Future tense needs will (shall) + verb.
i. Run:
- I run a marathon twice a year. (present)
- I ran a marathon last year. (past)
- I will run a marathon next year. (future)
ii. Eat:
- I eat lunch in my office.
- I ate lunch an hour ago.
- I will eat lunch in one hour.
iii. See:
- I see a movie once a week.
- I saw a movie yesterday.
- I will see a movie tomorrow.
iv. Know:
- I know it.
- I knew it the day before yesterday.
- I will know it by tomorrow.
v. Learn:
- I learn English.
- I learned English the last two years.
- I will learn English next year.
vi. Cook:
- I cook my supper every night.
- I cooked our dinner already.
- I will cook breakfast tomorrow.
