to understand
Verbe irrégulier : understand - understood- understood
Traduction française : comprendre 

Indicatif 	
Présent 	Présent continu 	Prétérit 	Prétérit continu 	
I understand
you understand
she understands
we understand
you understand
they understand 	I'munderstanding
you'reunderstanding
she'sunderstanding
we'reunderstanding
you'reunderstanding
they'reunderstanding	Iunderstood
youunderstood
sheunderstood
weunderstood
youunderstood
theyunderstood	Iwasunderstanding
youwereunderstanding
shewasunderstanding
wewereunderstanding
youwereunderstanding
theywereunderstanding	
Present perfect 	Present perfect continu 	Pluperfect 	Pluperfect continu 	
I've understood
you've understood
she's understood
we've understood
you've understood
they've understood	I'vebeen understanding
you'vebeen understanding
she'sbeen understanding
we'vebeen understanding
you'vebeen understanding
they'vebeen understanding	I'd understood
you'd understood
she'd understood
we'd understood
you'd understood
they'd understood	I'd been understanding
you'd been understanding
she'd been understanding
we'd been understanding
you'd been understanding
they'd been understanding	
Futur 	Futur continu 	Futur antérieur 	Futur antérieur continu 	
I'll understand
you'll understand
she'll understand
we'll understand
you'll understand
they'll understand 	I'll be understanding
you'll be understanding
she'll be understanding
we'll be understanding
you'll be understanding
they'll be understanding	I'll have understood
you'll have understood
she'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
she'll have been understanding
we'll have been understanding
you'll have been understanding
they'll have been understanding	

Conditionnel 	
Présent 	Présent continu 	Passé 	Passé continu 	
I'd understand
you'd understand
she'd understand
we'd understand
you'd understand
they'd understand 	I'd be understanding
you'd be understanding
she'd be understanding
we'd be understanding
you'd be understanding
they'd be understanding	I'd have understood
you'd have understood
she'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
she'd have been understanding
we'd have been understanding
you'd have been understanding
they'd have been understanding	

Infinitif 	
Impératif 	
Infinitif 	 	Impératif 	 	
to understand 	 	understand
Let's understand
understand 	 	

Participe 	
Présent 	Passé 	 	 	
understanding	understood