Alter – English Verbs Conjugation

alter alters altering altered

Alter means to change or modify something. Regular verb: alter-altered-altered.

Meanings

To change or modify
To adjust clothing
To make different

Common Collocations

alter course alter appearance slightly altered alter plans alter ego

Tip for Learners

Alter implies partial change, not complete replacement. Alter ego is a second self or persona.

Present Simple

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

Examples - Present Simple

I alter my plans when necessary.
You alter clothes professionally.
She alters the design slightly.
We alter our approach based on feedback.
They alter documents illegally.

Present Continuous

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

Examples - Present Continuous

I am altering my schedule now.
You are altering the dress for me.
He is altering the plan.
We are altering our strategy.
They are altering the building layout.

Present Perfect

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

Examples - Present Perfect

I have altered my opinion.
You have altered the document.
She has altered her appearance.
We have altered our plans.
They have altered the course significantly.

Present Perfect Continuous

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

Examples - Present Perfect Continuous

I have been altering my approach lately.
You have been altering clothes all day.
He has been altering the design for weeks.
We have been altering our methods.
They have been altering records secretly.

Past Simple

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

Examples - Past Simple

I altered my route to avoid traffic.
You altered the dress perfectly.
She altered her behavior after the talk.
We altered the contract terms.
They altered the evidence illegally.

Past Continuous

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

Examples - Past Continuous

I was altering my plans when you called.
You were altering the suit at that time.
He was altering the settings.
We were altering the schedule then.
They were altering documents when caught.

Past Perfect

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

Examples - Past Perfect

I had altered my approach before the meeting.
You had altered the dress already.
She had altered her plans before traveling.
We had altered the design before production.
They had altered records before the audit.

Past Perfect Continuous

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

Examples - Past Perfect Continuous

I had been altering my habits for months.
You had been altering clothes for years.
He had been altering the system gradually.
We had been altering plans continuously.
They had been altering data for weeks.

Future Simple

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

Examples - Future Simple

I will alter my plans if needed.
You will alter the dress tomorrow.
She will alter her approach.
We will alter the design next week.
They will alter the schedule.

Future Continuous

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

Examples - Future Continuous

I will be altering my approach soon.
You will be altering garments all day.
He will be altering settings during maintenance.
We will be altering the plan this week.
They will be altering procedures shortly.

Future Perfect

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

Examples - Future Perfect

I will have altered my habits by then.
You will have altered all the clothes.
She will have altered her lifestyle.
We will have altered the system completely.
They will have altered everything.

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
they	will have been altering

Examples - Future Perfect Continuous

I will have been altering my approach for years.
You will have been altering clothes professionally.
He will have been altering designs for decades.
We will have been altering methods continuously.
They will have been altering procedures regularly.