English verb conjugation
TO UNDERSTAND

Irregular verb: understand - understood - understood

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I understand? don't you understand? doesn't she understand? don't we understand? don't you understand? don't they understand?	am I not understanding? aren't you understanding? isn't she understanding? aren't we understanding? aren't you understanding? aren't they understanding?	didn't I understand? didn't you understand? didn't she understand? didn't we understand? didn't you understand? didn't they understand?	wasn't I understanding? weren't you understanding? wasn't she understanding? weren't we understanding? weren't you understanding? weren't they understanding?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I understood? haven't you understood? hasn't she understood? haven't we understood? haven't you understood? haven't they understood?	haven't I been understanding? haven't you been understanding? hasn't she been understanding? haven't we been understanding? haven't you been understanding? haven't they been understanding?	hadn't I understood? hadn't you understood? hadn't she understood? hadn't we understood? hadn't you understood? hadn't they understood?	hadn't I been understanding? hadn't you been understanding? hadn't she been understanding? hadn't we been understanding? hadn't you been understanding? hadn't they been understanding?
Future	Future continuous	Future perfect	Future perfect continuous
won't I understand? won't you understand? won't she understand? won't we understand? won't you understand? won't they understand?	won't I be understanding? won't you be understanding? won't she be understanding? won't we be understanding? won't you be understanding? won't they be understanding?	won't I have understood? won't you have understood? won't she have understood? won't we have understood? won't you have understood? won't they have understood?	won't I have been understanding? won't you have been understanding? won't she have been understanding? won't we have been understanding? won't you have been understanding? won't they have been understanding?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I understand? wouldn't you understand? wouldn't she understand? wouldn't we understand? wouldn't you understand? wouldn't they understand?	wouldn't I be understanding? wouldn't you be understanding? wouldn't she be understanding? wouldn't we be understanding? wouldn't you be understanding? wouldn't they be understanding?	wouldn't I have understood? wouldn't you have understood? wouldn't she have understood? wouldn't we have understood? wouldn't you have understood? wouldn't they have understood?	wouldn't I have been understanding? wouldn't you have been understanding? wouldn't she have been understanding? wouldn't we have been understanding? wouldn't you have been understanding? wouldn't they have been understanding?

Infinitive

Imperative

Infinitive		Imperative
to understand		- - -

Participle

Present	Past
understanding	understood