To Alter

Infinitive: to alter
Gerund: altering
Past participle: altered
Simple past: altered


Irregular forms
Auxilliary verb
Spelling change

Indicative

Present
I alter I alter
you alter you alter
he/she/it alters he/she/it alters
we alter we alter
they alter they alter
you alter you alter
I do not alter I don't alter
you do not alter you don't alter
he/she/it does not alter he/she/it doesn't alter
we do not alter we don't alter
they do not alter they don't alter
you do not alter you don't alter
Preterite
I altered I altered
you altered you altered
he/she/it altered he/she/it altered
we altered we altered
they altered they altered
you altered you altered
I did not alter I didn't alter
you did not alter you didn't alter
he/she/it did not alter he/she/it didn't alter
we did not alter we didn't alter
they did not alter they didn't alter
you did not alter you didn't alter
Future
I will alter I'll alter
you will alter you'll alter
he/she/it will alter he/she/it'll alter
we will alter we'll alter
they will alter they'll alter
you will alter you'll alter
I will not alter I won't alter
you will not alter you won't alter
he/she/it will not alter he/she/it won't alter
we will not alter we won't alter
they will not alter they won't alter
you will not alter you won't alter

Perfect

Present
I have altered I've altered
you have altered you've altered
he/she/it has altered he/she/it's altered
we have altered we've altered
they have altered they've altered
you have altered you've altered
I have not altered I haven't altered
you have not altered you haven't altered
he/she/it has not altered he/she/it hasn't altered
we have not altered we haven't altered
they have not altered they haven't altered
you have not altered you haven't altered
Past
I had altered I'd altered
you had altered you'd altered
he/she/it had altered he/she/it'd altered
we had altered we'd altered
they had altered they'd altered
you had altered you'd altered
I had not altered I hadn't altered
you had not altered you hadn't altered
he/she/it had not altered he/she/it hadn't altered
we had not altered we hadn't altered
they had not altered they hadn't altered
you had not altered you hadn't altered
Future
I will have altered I'll have altered
you will have altered you'll have altered
he/she/it will have altered he/she/it'll have altered
we will have altered we'll have altered
they will have altered they'll have altered
you will have altered you'll have altered
I will not have altered I won't have altered
you will not have altered you won't have altered
he/she/it will not have altered he/she/it won't have altered
we will not have altered we won't have altered
they will not have altered they won't have altered
you will not have altered you won't have altered

Continuous

Present
I am altering I'm altering
you are altering you're altering
he/she/it is altering he/she/it's altering
we are altering we're altering
they are altering they're altering
you are altering you're altering
I am not altering I'm not altering
you are not altering you aren't altering
he/she/it is not altering he/she/it isn't altering
we are not altering we aren't altering
they are not altering they aren't altering
you are not altering you aren't altering
Past
I was altering I was altering
you were altering you were altering
he/she/it was altering he/she/it was altering
we were altering we were altering
they were altering they were altering
you were altering you were altering
I was not altering I wasn't altering
you were not altering you weren't altering
he/she/it was not altering he/she/it wasn't altering
we were not altering we weren't altering
they were not altering they weren't altering
you were not altering you weren't altering
Future
I will be altering I'll be altering
you will be altering you'll be altering
he/she/it will be altering he/she/it'll be altering
we will be altering we'll be altering
they will be altering they'll be altering
you will be altering you'll be altering
I will not be altering I won't be altering
you will not be altering you won't be altering
he/she/it will not be altering he/she/it won't be altering
we will not be altering we won't be altering
they will not be altering they won't be altering
you will not be altering you won't be altering

Continuous Perfect

Present
I have been altering I've been altering
you have been altering you've been altering
he/she/it has been altering he/she/it's been altering
we have been altering we've been altering
they have been altering they've been altering
you have been altering you've been altering
I have not been altering I haven't been altering
you have not been altering you haven't been altering
he/she/it has not been altering he/she/it hasn't been altering
we have not been altering we haven't been altering
they have not been altering they haven't been altering
you have not been altering you haven't been altering
Past
I had been altering I'd been altering
you had been altering you'd been altering
he/she/it had been altering he/she/it'd been altering
we had been altering we'd been altering
they had been altering they'd been altering
you had been altering you'd been altering
I had not been altering I hadn't been altering
you had not been altering you hadn't been altering
he/she/it had not been altering he/she/it hadn't been altering
we had not been altering we hadn't been altering
they had not been altering they hadn't been altering
you had not been altering you hadn't been altering
Future
I will have been altering I'll have been altering
you will have been altering you'll have been altering
he/she/it will have been altering he/she/it'll have been altering
we will have been altering we'll have been altering
they will have been altering they'll have been altering
you will have been altering you'll have been altering
I will not have been altering I won't have been altering
you will not have been altering you won't have been altering
he/she/it will not have been altering he/she/it won't have been altering
we will not have been altering we won't have been altering
they will not have been altering they won't have been altering
you will not have been altering you won't have been altering

Conditional

Present
I would alter I would alter
you would alter you would alter
he/she/it would alter he/she/it would alter
we would alter we would alter
they would alter they would alter
you would alter you would alter
I would not alter I wouldn't alter
you would not alter you wouldn't alter
he/she/it would not alter he/she/it wouldn't alter
we would not alter we wouldn't alter
they would not alter they wouldn't alter
you would not alter you wouldn't alter
Perfect
I would have altered I would've altered
you would have altered you would've altered
he/she/it would have altered he/she/it would've altered
we would have altered we would've altered
they would have altered they would've altered
you would have altered you would've altered
I would not have altered I wouldn't have altered
you would not have altered you wouldn't have altered
he/she/it would not have altered he/she/it wouldn't have altered
we would not have altered we wouldn't have altered
they would not have altered they wouldn't have altered
you would not have altered you wouldn't have altered

Imperative

(you) alter (you) alter
(we) let's alter (we) let's alter
(you) alter (you) alter
(you) do not alter (you) don't alter
(we) let's not alter (we) let's not alter
(you) do not alter (you) don't alter