Conjugate verb "alter" in English

Conjugation of the verb alter[ˈɔ:ltə], regular     

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All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

I alter
you alter
he/she/it alters
we alter
you alter
they alter

Present Continuous

I am altering
you are altering
he/she/it is altering
we are altering
you are altering
they are altering

Present Perfect

I have altered
you have altered
he/she/it has altered
we have altered
you have altered
they have altered

Present Perfect Continuous

I have been altering
you have been altering
he/she/it has been altering
we have been altering
you have been altering
they have been altering

Past Indefinite

I altered
you altered
he/she/it altered
we altered
you altered
they altered

Past Continuous

I was altering
you were altering
he/she/it was altering
we were altering
you were altering
they were altering

Past Perfect

I had altered
you had altered
he/she/it had altered
we had altered
you had altered
they had altered

Past Perfect Continuous

I had been altering
you had been altering
he/she/it had been altering
we had been altering
you had been altering
they had been altering

Future Indefinite

I will alter
you will alter
he/she/it will alter
we will alter
you will alter
they will alter

Future Continuous

I will be altering
you will be altering
he/she/it will be altering
we will be altering
you will be altering
they will be altering

Future Perfect

I will have altered
you will have altered
he/she/it will have altered
we will have altered
you will have altered
they will have altered

Future Perfect Continuous

I will have been altering
you will have been altering
he/she/it will have been altering
we will have been altering
you will have been altering
they will have been altering

Indicative

Present Indefinite

I don't alter
you don't alter
he/she/it doesn't alter
we don't alter
you don't alter
they don't alter

Present Continuous

I am not altering
you aren't altering
he/she/it isn't altering
we aren't altering
you aren't altering
they aren't altering

Present Perfect

I haven't altered
you haven't altered
he/she/it hasn't altered
we haven't altered
you haven't altered
they haven't altered

Present Perfect Continuous

I haven't been altering
you haven't been altering
he/she/it hasn't been altering
we haven't been altering
you haven't been altering
they haven't been altering

Past Indefinite

I didn't alter
you didn't alter
he/she/it didn't alter
we didn't alter
you didn't alter
they didn't alter

Past Continuous

I wasn't altering
you weren't altering
he/she/it wasn't altering
we weren't altering
you weren't altering
they weren't altering

Past Perfect

I hadn't altered
you hadn't altered
he/she/it hadn't altered
we hadn't altered
you hadn't altered
they hadn't altered

Past Perfect Continuous

I hadn't been altering
you hadn't been altering
he/she/it hadn't been altering
we hadn't been altering
you hadn't been altering
they hadn't been altering

Future Indefinite

I shan't / won't alter
you won't alter
he/she/it won't alter
we shan't / won't alter
you won't alter
they won't alter

Future Continuous

I shan't / won't be altering
you won't be altering
he/she/it won't be altering
we shan't / won't be altering
you won't be altering
they won't be altering

Future Perfect

I shan't / won't have altered
you won't have altered
he/she/it won't have altered
we shan't / won't have altered
you won't have altered
they won't have altered

Future Perfect Continuous

I shan't / won't have been altering
you won't have been altering
he/she/it won't have been altering
we shan't / won't have been altering
you won't have been altering
they won't have been altering

Conditional

Conditional Present

I would alter
you would alter
he/she/it would alter
we would alter
you would alter
they would alter

Conditional Present Continuous

I would be altering
you would be altering
he/she/it would be altering
we would be altering
you would be altering
they would be altering

Conditional Perfect

I would have altered
you would have altered
he/she/it would have altered
we would have altered
you would have altered
they would have altered

Conditional Perfect Continuous

I would have been altering
you would have been altering
he/she/it would have been altering
we would have been altering
you would have been altering
they would have been altering

Conditional

Conditional Present

I wouldn't alter
you wouldn't alter
he/she/it wouldn't alter
we wouldn't alter
you wouldn't alter
they wouldn't alter

Conditional Present Continuous

I wouldn't be altering
you wouldn't be altering
he/she/it wouldn't be altering
we wouldn't be altering
you wouldn't be altering
they wouldn't be altering

Conditional Perfect

I wouldn't have altered
you wouldn't have altered
he/she/it wouldn't have altered
we wouldn't have altered
you wouldn't have altered
they wouldn't have altered

Conditional Perfect Continuous

I wouldn't have been altering
you wouldn't have been altering
he/she/it wouldn't have been altering
we wouldn't have been altering
you wouldn't have been altering
they wouldn't have been altering

Participles

Present

altering

Past

altered

Infinitives

Infinitives

to alter
to have altered
to be altering
to have been altering
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