English verb conjugation
TO UNDULATE

Regular verb: undulate - undulated - undulated

Indicative

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