am / is / are + ing→Present Continuouswas / were + ing→Past Continuouswill be + ing→Future Continuoushave/has been + ing→Present Perfect Cont.had been + ing→Past Perfect Cont.will have been + ing→Future Perfect Cont.have / has + V3→Present Perfecthad + V3→Past Perfectwill have + V3→Future Perfectyesterday / ago / last...→Past Simplealways / every day...→Present Simpletomorrow / next / will...→Future Simple| V1 | V2 | V3 |
|---|---|---|
| see | saw | seen |
| go | went | gone |
| do | did | done |
| make | made | made |
| take | took | taken |
| get | got | gotten |
| have | had | had |
| come | came | come |
| know | knew | known |
| think | thought | thought |
| give | gave | given |
| find | found | found |
| tell | told | told |
| feel | felt | felt |
| become | became | become |
Hint: V3 (like seen, gone, done) usually means Present Perfect, Past Perfect, or Future Perfect.