English verb conjugation
TO ALTER

Regular verb: alter - altered - altered

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I not alter? do you not alter? does she not alter? do we not alter? do you not alter? do they not alter?	am I not altering? are you not altering? is she not altering? are we not altering? are you not altering? are they not altering?	did I not alter? did you not alter? did she not alter? did we not alter? did you not alter? did they not alter?	was I not altering? were you not altering? was she not altering? were we not altering? were you not altering? were they not altering?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I not altered? have you not altered? has she not altered? have we not altered? have you not altered? have they not altered?	have I not been altering? have you not been altering? has she not been altering? have we not been altering? have you not been altering? have they not been altering?	had I not altered? had you not altered? had she not altered? had we not altered? had you not altered? had they not altered?	had I not been altering? had you not been altering? had she not been altering? had we not been altering? had you not been altering? had they not been altering?
Future	Future continuous	Future perfect	Future perfect continuous
will I not alter? will you not alter? will she not alter? will we not alter? will you not alter? will they not alter?	will I not be altering? will you not be altering? will she not be altering? will we not be altering? will you not be altering? will they not be altering?	will I not have altered? will you not have altered? will she not have altered? will we not have altered? will you not have altered? will they not have altered?	will I not have been altering? will you not have been altering? will she not have been altering? will we not have been altering? will you not have been altering? will they not have been altering?

Conditional

Present	Present continuous	Past	Past continuous
would I not alter? would you not alter? would she not alter? would we not alter? would you not alter? would they not alter?	would I not be altering? would you not be altering? would she not be altering? would we not be altering? would you not be altering? would they not be altering?	would I not have altered? would you not have altered? would she not have altered? would we not have altered? would you not have altered? would they not have altered?	would I not have been altering? would you not have been altering? would she not have been altering? would we not have been altering? would you not have been altering? would they not have been altering?

Infinitive

Imperative

Infinitive		Imperative
to alter		- - -

Participle

Present	Past
altering	altered