Alter Past Tense: Verb Forms, Conjugate ALTER

altered

The past tense of alter is altered

The Forms of Alter

Infinitive	to alter
Present Tense	alter / alters
Past Tense	altered
Present Participle	altering
Past Participle	altered

Conjugate Alter

Alter in Present Simple (Indefinite) Tense

Singular	Plural
I alter	We alter
You alter	You alter
He/She/It alters	They alter

Alter in Present Continuous (Progressive) Tense

Singular	Plural
I am altering	We are altering
You are altering	You are altering
He/She/It is altering	They are altering

Alter in Present Perfect Tense

Singular	Plural
I have altered	We have altered
You have altered	You have altered
He/She/It has altered	They have altered

Alter in Present Perfect Continuous Tense

Singular	Plural
I have been altering	We have been altering
You have been altering	You have been altering
He/She/It has been altering	They have been altering

Alter in Past Simple (Indefinite) Tense

Singular	Plural
I altered	We altered
You altered	You altered
He/She/It altered	They altered

Alter in Past Continuous (Progressive) Tense

Singular	Plural
I was altering	We were altering
You were altering	You were altering
He/She/It was altering	They were altering

Alter in Past Perfect Tense

Singular	Plural
I had altered	We had altered
You had altered	You had altered
He/She/It had altered	They had altered

Alter in Past Perfect Continuous Tense

Singular	Plural
I had been altering	We had been altering
You had been altering	You had been altering
He/She/It had been altering	They had been altering

Alter in Future Simple (Indefinite) Tense

Singular	Plural
I will alter	We will alter
You will alter	You will alter
He/She/It will alter	They will alter

Alter in Future Continuous (Progressive) Tense

Singular	Plural
I will be altering	We will be altering
You will be altering	You will be altering
He/She/It will be altering	They will be altering

Alter in Future Perfect Tense

Singular	Plural
I will have altered	We will have altered
You will have altered	You will have altered
He/She/It will have altered	They will have altered

Alter in Future Perfect Continuous Tense

Singular	Plural
I will have been altering	We will have been altering
You will have been altering	You will have been altering
He/She/It will have been altering	They will have been altering