can lignify
Regular verb: lignify - lignified- lignified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can lignify
you can lignify
she can lignify
we can lignify
you can lignify
they can lignify 	I can be lignifying
you can be lignifying
she can be lignifying
we can be lignifying
you can be lignifying
they can be lignifying	I can have lignified
you can have lignified
she can have lignified
we can have lignified
you can have lignified
they can have lignified	I can have been lignifying
you can have been lignifying
she can have been lignifying
we can have been lignifying
you can have been lignifying
they can have been lignifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't lignify
you can't lignify
she can't lignify
we can't lignify
you can't lignify
they can't lignify 	I can't be lignifying
you can't be lignifying
she can't be lignifying
we can't be lignifying
you can't be lignifying
they can't be lignifying	I can't have lignified
you can't have lignified
she can't have lignified
we can't have lignified
you can't have lignified
they can't have lignified	I can't have been lignifying
you can't have been lignifying
she can't have been lignifying
we can't have been lignifying
you can't have been lignifying
they can't have been lignifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I lignify?
can you lignify?
can she lignify?
can we lignify?
can you lignify?
can they lignify? 	can I be lignifying?
can you be lignifying?
can she be lignifying?
can we be lignifying?
can you be lignifying?
can they be lignifying? 	can I have lignified?
can you have lignified?
can she have lignified?
can we have lignified?
can you have lignified?
can they have lignified? 	can I have been lignifying?
can you have been lignifying?
can she have been lignifying?
can we have been lignifying?
can you have been lignifying?
can they have been lignifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I lignify?
can't you lignify?
can't she lignify?
can't we lignify?
can't you lignify?
can't they lignify? 	can't I be lignifying?
can't you be lignifying?
can't she be lignifying?
can't we be lignifying?
can't you be lignifying?
can't they be lignifying? 	can't I have lignified?
can't you have lignified?
can't she have lignified?
can't we have lignified?
can't you have lignified?
can't they have lignified? 	can't I have been lignifying?
can't you have been lignifying?
can't she have been lignifying?
can't we have been lignifying?
can't you have been lignifying?
can't they have been lignifying?