to understand
Irregular verb: understand - understood- understood

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I understand
you understand
he understands
we understand
you understand
they understand 	I'munderstanding
you'reunderstanding
he'sunderstanding
we'reunderstanding
you'reunderstanding
they'reunderstanding	Iunderstood
youunderstood
heunderstood
weunderstood
youunderstood
theyunderstood	Iwasunderstanding
youwereunderstanding
hewasunderstanding
wewereunderstanding
youwereunderstanding
theywereunderstanding	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've understood
you've understood
he's understood
we've understood
you've understood
they've understood	I'vebeen understanding
you'vebeen understanding
he'sbeen understanding
we'vebeen understanding
you'vebeen understanding
they'vebeen understanding	I'd understood
you'd understood
he'd understood
we'd understood
you'd understood
they'd understood	I'd been understanding
you'd been understanding
he'd been understanding
we'd been understanding
you'd been understanding
they'd been understanding	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll understand
you'll understand
he'll understand
we'll understand
you'll understand
they'll understand 	I'll be understanding
you'll be understanding
he'll be understanding
we'll be understanding
you'll be understanding
they'll be understanding	I'll have understood
you'll have understood
he'll have understood
we'll have understood
you'll have understood
they'll have understood	I'll have been understanding
you'll have been understanding
he'll have been understanding
we'll have been understanding
you'll have been understanding
they'll have been understanding	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd understand
you'd understand
he'd understand
we'd understand
you'd understand
they'd understand 	I'd be understanding
you'd be understanding
he'd be understanding
we'd be understanding
you'd be understanding
they'd be understanding	I'd have understood
you'd have understood
he'd have understood
we'd have understood
you'd have understood
they'd have understood	I'd have been understanding
you'd have been understanding
he'd have been understanding
we'd have been understanding
you'd have been understanding
they'd have been understanding	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to understand 	 	understand
Let's understand
understand 	 	

Participle 	
Present 	Past 	 	 	
understanding	understood