English verb conjugation
TO UNDULATE

Regular verb: undulate - undulated - undulated

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I undulate? don't you undulate? doesn't he undulate? don't we undulate? don't you undulate? don't they undulate?	am I not undulating? aren't you undulating? isn't he undulating? aren't we undulating? aren't you undulating? aren't they undulating?	didn't I undulate? didn't you undulate? didn't he undulate? didn't we undulate? didn't you undulate? didn't they undulate?	wasn't I undulating? weren't you undulating? wasn't he undulating? weren't we undulating? weren't you undulating? weren't they undulating?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I undulated? haven't you undulated? hasn't he undulated? haven't we undulated? haven't you undulated? haven't they undulated?	haven't I been undulating? haven't you been undulating? hasn't he been undulating? haven't we been undulating? haven't you been undulating? haven't they been undulating?	hadn't I undulated? hadn't you undulated? hadn't he undulated? hadn't we undulated? hadn't you undulated? hadn't they undulated?	hadn't I been undulating? hadn't you been undulating? hadn't he been undulating? hadn't we been undulating? hadn't you been undulating? hadn't they been undulating?
Future	Future continuous	Future perfect	Future perfect continuous
won't I undulate? won't you undulate? won't he undulate? won't we undulate? won't you undulate? won't they undulate?	won't I be undulating? won't you be undulating? won't he be undulating? won't we be undulating? won't you be undulating? won't they be undulating?	won't I have undulated? won't you have undulated? won't he have undulated? won't we have undulated? won't you have undulated? won't they have undulated?	won't I have been undulating? won't you have been undulating? won't he have been undulating? won't we have been undulating? won't you have been undulating? won't they have been undulating?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I undulate? wouldn't you undulate? wouldn't he undulate? wouldn't we undulate? wouldn't you undulate? wouldn't they undulate?	wouldn't I be undulating? wouldn't you be undulating? wouldn't he be undulating? wouldn't we be undulating? wouldn't you be undulating? wouldn't they be undulating?	wouldn't I have undulated? wouldn't you have undulated? wouldn't he have undulated? wouldn't we have undulated? wouldn't you have undulated? wouldn't they have undulated?	wouldn't I have been undulating? wouldn't you have been undulating? wouldn't he have been undulating? wouldn't we have been undulating? wouldn't you have been undulating? wouldn't they have been undulating?

Infinitive

Imperative

Infinitive		Imperative
to undulate		- - -

Participle

Present	Past
undulating	undulated