Total verb forms: 51
| Imperatives and participles |
| Present Participle | altering |
| Present Participle | altered |
| Imperative | alter |
| Type | I | you | he/she/it | we | you | they |
| Present | alter | alter | alters | alter | alter | alter |
| Past | altered | altered | altered | altered | altered | altered |
| Future | will alter | will alter | will alter | will alter | will alter | will alter |
| Present conditional | would alter | would alter | would alter | would alter | would alter | would alter |
| Past conditional | would have altered | would have altered | would have altered | would have altered | would have altered | would have altered |
| Present Perfect | have altered | have altered | has altered | have altered | have altered | have altered |
| Past Perfect | had altered | had altered | had altered | had altered | had altered | had altered |
| Future Perfect | will have altered | will have altered | will have altered | will have altered | will have altered | will have altered |
Conjugated verbs before and after alter
