to underestimate
Regular verb: underestimate - underestimated- underestimated

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I underestimate
you underestimate
he underestimates
we underestimate
you underestimate
they underestimate 	I'munderestimating
you'reunderestimating
he'sunderestimating
we'reunderestimating
you'reunderestimating
they'reunderestimating	I underestimated
you underestimated
he underestimated
we underestimated
you underestimated
they underestimated	Iwasunderestimating
youwereunderestimating
hewasunderestimating
wewereunderestimating
youwereunderestimating
theywereunderestimating	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've underestimated
you've underestimated
he's underestimated
we've underestimated
you've underestimated
they've underestimated	I'vebeen underestimating
you'vebeen underestimating
he'sbeen underestimating
we'vebeen underestimating
you'vebeen underestimating
they'vebeen underestimating	I'd underestimated
you'd underestimated
he'd underestimated
we'd underestimated
you'd underestimated
they'd underestimated	I'd been underestimating
you'd been underestimating
he'd been underestimating
we'd been underestimating
you'd been underestimating
they'd been underestimating	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll underestimate
you'll underestimate
he'll underestimate
we'll underestimate
you'll underestimate
they'll underestimate 	I'll be underestimating
you'll be underestimating
he'll be underestimating
we'll be underestimating
you'll be underestimating
they'll be underestimating	I'll have underestimated
you'll have underestimated
he'll have underestimated
we'll have underestimated
you'll have underestimated
they'll have underestimated	I'll have been underestimating
you'll have been underestimating
he'll have been underestimating
we'll have been underestimating
you'll have been underestimating
they'll have been underestimating	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd underestimate
you'd underestimate
he'd underestimate
we'd underestimate
you'd underestimate
they'd underestimate 	I'd be underestimating
you'd be underestimating
he'd be underestimating
we'd be underestimating
you'd be underestimating
they'd be underestimating	I'd have underestimated
you'd have underestimated
he'd have underestimated
we'd have underestimated
you'd have underestimated
they'd have underestimated	I'd have been underestimating
you'd have been underestimating
he'd have been underestimating
we'd have been underestimating
you'd have been underestimating
they'd have been underestimating	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to underestimate 	 	underestimate
Let's underestimate
underestimate 	 	

Participle 	
Present 	Past 	 	 	
underestimating	underestimated