English verb conjugation
TO UNDULATE

Regular verb: undulate - undulated - undulated

Indicative

Present	Present continuous	Preterite	Preterite continuous
I undulate you undulate he undulates we undulate you undulate they undulate	I'm undulating you're undulating he's undulating we're undulating you're undulating they're undulating	I undulated you undulated he undulated we undulated you undulated they undulated	I was undulating you were undulating he was undulating we were undulating you were undulating they were undulating
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
I've undulated you've undulated he's undulated we've undulated you've undulated they've undulated	I've been undulating you've been undulating he's been undulating we've been undulating you've been undulating they've been undulating	I'd undulated you'd undulated he'd undulated we'd undulated you'd undulated they'd undulated	I'd been undulating you'd been undulating he'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 he'll undulate we'll undulate you'll undulate they'll undulate	I'll be undulating you'll be undulating he'll be undulating we'll be undulating you'll be undulating they'll be undulating	I'll have undulated you'll have undulated he'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 he'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 he'd undulate we'd undulate you'd undulate they'd undulate	I'd be undulating you'd be undulating he'd be undulating we'd be undulating you'd be undulating they'd be undulating	I'd have undulated you'd have undulated he'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 he'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