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Other forms without ? | do not alter | male gender | remove contraction
Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation TO ALTER

Regular verb: alter - altered - altered

Indicative

Present
do I alter?
do you alter?
does she alter?
do we alter?
do you alter?
do they alter?
Present continuous
am I altering?
are you altering?
is she altering?
are we altering?
are you altering?
are they altering?
Preterite
did I alter?
did you alter?
did she alter?
did we alter?
did you alter?
did they alter?
Preterite continuous
was I altering?
were you altering?
was she altering?
were we altering?
were you altering?
were they altering?
Present perfect
have I altered?
have you altered?
has she altered?
have we altered?
have you altered?
have they altered?
Present perfect continuous
have I been altering?
have you been altering?
has she been altering?
have we been altering?
have you been altering?
have they been altering?
Pluperfect
had I altered?
had you altered?
had she altered?
had we altered?
had you altered?
had they altered?
Pluperfect continuous
had I been altering?
had you been altering?
had she been altering?
had we been altering?
had you been altering?
had they been altering?
Future
will I alter?
will you alter?
will she alter?
will we alter?
will you alter?
will they alter?
Future continuous
will I be altering?
will you be altering?
will she be altering?
will we be altering?
will you be altering?
will they be altering?
Future perfect
will I have altered?
will you have altered?
will she have altered?
will we have altered?
will you have altered?
will they have altered?
Future perfect continuous
will I have been altering?
will you have been altering?
will she have been altering?
will we have been altering?
will you have been altering?
will they have been altering?

Conditional

Present
would I alter?
would you alter?
would she alter?
would we alter?
would you alter?
would they alter?
Present continuous
would I be altering?
would you be altering?
would she be altering?
would we be altering?
would you be altering?
would they be altering?
Past
would I have altered?
would you have altered?
would she have altered?
would we have altered?
would you have altered?
would they have altered?
Past continuous
would I have been altering?
would you have been altering?
would she have been altering?
would we have been altering?
would you have been altering?
would they have been altering?

Imperative

Imperative
-
-
-
 
 
 

Infinitive

Infinitive
to alter
 
 
 

Participle

Present
altering
Past
altered