altered
past tense of alter is altered.
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Alter Past Tense
Alter verb forms
| Infinitive | Present Participle | Past Tense | Past Participle |
|---|---|---|---|
| alter | altering | altered | altered |
Conjugation of Alter
| Simple / Indefinite Present Tense |
|---|
| He/She/It alters . |
| I alter. |
| You/We/They alter. |
| Present Continuous Tense |
|---|
| He/She/It is altering. |
| I am altering. |
| You/We/They are altering. |
| Present Perfect Tense |
|---|
| He/She/It has altered. |
| I have altered. |
| You/We/They have altered. |
| Present Perfect Continuous Tense |
|---|
| He/She/It has been altering. |
| I have been altering. |
| You/We/They have been altering. |
| Simple Past Tense |
|---|
| He/She/It altered. |
| I altered. |
| You/We/They altered. |
| Past Continuous Tense |
|---|
| He/She/It was altering. |
| I was altering. |
| You/We/They were altering. |
| Past Perfect Tense |
|---|
| He/She/It had altered. |
| I had altered. |
| You/We/They had altered. |
| Past Perfect Continuous Tense |
|---|
| He/She/It had been altering. |
| I had been altering. |
| You/We/They had been altering. |
| Simple Future Tense |
|---|
| He/She/It will/shall alter. |
| I will/shall alter. |
| You/We/They will/shall alter. |
| Future Continuous Tense |
|---|
| He/She/It will/shall be altering. |
| I will/shall be altering. |
| You/We/They will/shall be altering. |
| Future Perfect Tense |
|---|
| He/She/It will/shall have altered. |
| I will/shall have altered. |
| You/We/They will/shall have altered. |
| Future Perfect Continuous Tense |
|---|
| He/She/It will/shall have been altering. |
| I will/shall have been altering. |
| You/We/They will/shall have been altering. |