English verb conjugation
TO UNDERSTAND

Irregular verb: understand - understood - understood

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
would I not understand? would you not understand? would she not understand? would we not understand? would you not understand? would they not understand?	would I not be understanding? would you not be understanding? would she not be understanding? would we not be understanding? would you not be understanding? would they not be understanding?	would I not have understood? would you not have understood? would she not have understood? would we not have understood? would you not have understood? would they not have understood?	would I not have been understanding? would you not have been understanding? would she not have been understanding? would we not have been understanding? would you not have been understanding? would they not have been understanding?

Infinitive

Imperative

Infinitive		Imperative
to understand		- - -

Participle

Present	Past
understanding	understood