English verb conjugation
TO UNDERTAIN

Regular verb: undertain - undertained - undertained

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I undertain? wouldn't you undertain? wouldn't she undertain? wouldn't we undertain? wouldn't you undertain? wouldn't they undertain?	wouldn't I be undertaining? wouldn't you be undertaining? wouldn't she be undertaining? wouldn't we be undertaining? wouldn't you be undertaining? wouldn't they be undertaining?	wouldn't I have undertained? wouldn't you have undertained? wouldn't she have undertained? wouldn't we have undertained? wouldn't you have undertained? wouldn't they have undertained?	wouldn't I have been undertaining? wouldn't you have been undertaining? wouldn't she have been undertaining? wouldn't we have been undertaining? wouldn't you have been undertaining? wouldn't they have been undertaining?

Infinitive

Imperative

Infinitive		Imperative
to undertain		- - -

Participle

Present	Past
undertaining	undertained