to lack
Verbo regular: lack - lacked- lacked

Indicativo 	
Presente 	Presente continuo 	Pretérito 	Pretérito continuo 	
I lack
you lack
he lacks
we lack
you lack
they lack 	I'mlacking
you'relacking
he'slacking
we'relacking
you'relacking
they'relacking	I lacked
you lacked
he lacked
we lacked
you lacked
they lacked	Iwaslacking
youwerelacking
hewaslacking
wewerelacking
youwerelacking
theywerelacking	
Presente perfecto 	Presente perfecto continuo 	Pluscuamperfecto 	Pluscuamperfecto continuo 	
I've lacked
you've lacked
he's lacked
we've lacked
you've lacked
they've lacked	I'vebeen lacking
you'vebeen lacking
he'sbeen lacking
we'vebeen lacking
you'vebeen lacking
they'vebeen lacking	I'd lacked
you'd lacked
he'd lacked
we'd lacked
you'd lacked
they'd lacked	I'd been lacking
you'd been lacking
he'd been lacking
we'd been lacking
you'd been lacking
they'd been lacking	
Futuro simple 	Futuro continuo 	Futuro perfecto 	Futuro perfecto contínuo 	
I'll lack
you'll lack
he'll lack
we'll lack
you'll lack
they'll lack 	I'll be lacking
you'll be lacking
he'll be lacking
we'll be lacking
you'll be lacking
they'll be lacking	I'll have lacked
you'll have lacked
he'll have lacked
we'll have lacked
you'll have lacked
they'll have lacked	I'll have been lacking
you'll have been lacking
he'll have been lacking
we'll have been lacking
you'll have been lacking
they'll have been lacking	

Condicional 	
Presente 	Presente continuo 	Passado 	Passado continuo 	
I'd lack
you'd lack
he'd lack
we'd lack
you'd lack
they'd lack 	I'd be lacking
you'd be lacking
he'd be lacking
we'd be lacking
you'd be lacking
they'd be lacking	I'd have lacked
you'd have lacked
he'd have lacked
we'd have lacked
you'd have lacked
they'd have lacked	I'd have been lacking
you'd have been lacking
he'd have been lacking
we'd have been lacking
you'd have been lacking
they'd have been lacking	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to lack 	 	lack
Let's lack
lack 	 	

Participio 	
Presente 	Passado 	 	 	
lacking	lacked