English verb conjugation
TO UNDULATE

Regular verb: undulate - undulated - undulated

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I undulate? do you undulate? does she undulate? do we undulate? do you undulate? do they undulate?	am I undulating? are you undulating? is she undulating? are we undulating? are you undulating? are they undulating?	did I undulate? did you undulate? did she undulate? did we undulate? did you undulate? did they undulate?	was I undulating? were you undulating? was she undulating? were we undulating? were you undulating? were they undulating?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I undulated? have you undulated? has she undulated? have we undulated? have you undulated? have they undulated?	have I been undulating? have you been undulating? has she been undulating? have we been undulating? have you been undulating? have they been undulating?	had I undulated? had you undulated? had she undulated? had we undulated? had you undulated? had they undulated?	had I been undulating? had you been undulating? had she been undulating? had we been undulating? had you been undulating? had they been undulating?
Future	Future continuous	Future perfect	Future perfect continuous
will I undulate? will you undulate? will she undulate? will we undulate? will you undulate? will they undulate?	will I be undulating? will you be undulating? will she be undulating? will we be undulating? will you be undulating? will they be undulating?	will I have undulated? will you have undulated? will she have undulated? will we have undulated? will you have undulated? will they have undulated?	will I have been undulating? will you have been undulating? will she have been undulating? will we have been undulating? will you have been undulating? will they have been undulating?

Conditional

Present	Present continuous	Past	Past continuous
would I undulate? would you undulate? would she undulate? would we undulate? would you undulate? would they undulate?	would I be undulating? would you be undulating? would she be undulating? would we be undulating? would you be undulating? would they be undulating?	would I have undulated? would you have undulated? would she have undulated? would we have undulated? would you have undulated? would they have undulated?	would I have been undulating? would you have been undulating? would she have been undulating? would we have been undulating? would you have been undulating? would they have been undulating?

Infinitive

Imperative

Infinitive		Imperative
to undulate		- - -

Participle

Present	Past
undulating	undulated