to constrain
Verbo regular: constrain - constrained- constrained

Indicativo 	
Presente 	Presente continuo 	Pretérito 	Pretérito continuo 	
I constrain
you constrain
he constrains
we constrain
you constrain
they constrain 	I'mconstraining
you'reconstraining
he'sconstraining
we'reconstraining
you'reconstraining
they'reconstraining	I constrained
you constrained
he constrained
we constrained
you constrained
they constrained	Iwasconstraining
youwereconstraining
hewasconstraining
wewereconstraining
youwereconstraining
theywereconstraining	
Presente perfecto 	Presente perfecto continuo 	Pluscuamperfecto 	Pluscuamperfecto continuo 	
I've constrained
you've constrained
he's constrained
we've constrained
you've constrained
they've constrained	I'vebeen constraining
you'vebeen constraining
he'sbeen constraining
we'vebeen constraining
you'vebeen constraining
they'vebeen constraining	I'd constrained
you'd constrained
he'd constrained
we'd constrained
you'd constrained
they'd constrained	I'd been constraining
you'd been constraining
he'd been constraining
we'd been constraining
you'd been constraining
they'd been constraining	
Futuro simple 	Futuro continuo 	Futuro perfecto 	Futuro perfecto contínuo 	
I'll constrain
you'll constrain
he'll constrain
we'll constrain
you'll constrain
they'll constrain 	I'll be constraining
you'll be constraining
he'll be constraining
we'll be constraining
you'll be constraining
they'll be constraining	I'll have constrained
you'll have constrained
he'll have constrained
we'll have constrained
you'll have constrained
they'll have constrained	I'll have been constraining
you'll have been constraining
he'll have been constraining
we'll have been constraining
you'll have been constraining
they'll have been constraining	

Condicional 	
Presente 	Presente continuo 	Passado 	Passado continuo 	
I'd constrain
you'd constrain
he'd constrain
we'd constrain
you'd constrain
they'd constrain 	I'd be constraining
you'd be constraining
he'd be constraining
we'd be constraining
you'd be constraining
they'd be constraining	I'd have constrained
you'd have constrained
he'd have constrained
we'd have constrained
you'd have constrained
they'd have constrained	I'd have been constraining
you'd have been constraining
he'd have been constraining
we'd have been constraining
you'd have been constraining
they'd have been constraining	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to constrain 	 	constrain
Let's constrain
constrain 	 	

Participio 	
Presente 	Passado 	 	 	
constraining	constrained