to undulate
Regular verb: undulate - undulated- undulated

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I undulate
you undulate
she undulates
we undulate
you undulate
they undulate 	I'mundulating
you'reundulating
she'sundulating
we'reundulating
you'reundulating
they'reundulating	I undulated
you undulated
she undulated
we undulated
you undulated
they undulated	Iwasundulating
youwereundulating
shewasundulating
wewereundulating
youwereundulating
theywereundulating	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've undulated
you've undulated
she's undulated
we've undulated
you've undulated
they've undulated	I'vebeen undulating
you'vebeen undulating
she'sbeen undulating
we'vebeen undulating
you'vebeen undulating
they'vebeen undulating	I'd undulated
you'd undulated
she'd undulated
we'd undulated
you'd undulated
they'd undulated	I'd been undulating
you'd been undulating
she'd been undulating
we'd been undulating
you'd been undulating
they'd been undulating	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll undulate
you'll undulate
she'll undulate
we'll undulate
you'll undulate
they'll undulate 	I'll be undulating
you'll be undulating
she'll be undulating
we'll be undulating
you'll be undulating
they'll be undulating	I'll have undulated
you'll have undulated
she'll have undulated
we'll have undulated
you'll have undulated
they'll have undulated	I'll have been undulating
you'll have been undulating
she'll have been undulating
we'll have been undulating
you'll have been undulating
they'll have been undulating	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd undulate
you'd undulate
she'd undulate
we'd undulate
you'd undulate
they'd undulate 	I'd be undulating
you'd be undulating
she'd be undulating
we'd be undulating
you'd be undulating
they'd be undulating	I'd have undulated
you'd have undulated
she'd have undulated
we'd have undulated
you'd have undulated
they'd have undulated	I'd have been undulating
you'd have been undulating
she'd have been undulating
we'd have been undulating
you'd have been undulating
they'd have been undulating	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to undulate 	 	undulate
Let's undulate
undulate 	 	

Participle 	
Present 	Past 	 	 	
undulating	undulated