English verb conjugation
CAN OSSIFY

Regular verb: ossify - ossified - ossified

Affirmation

Simple form	V-ing form
I can ossify you can ossify he can ossify we can ossify you can ossify they can ossify	I can be ossifying you can be ossifying he can be ossifying we can be ossifying you can be ossifying they can be ossifying
Perfect	V-ing perfect
I can have ossified you can have ossified he can have ossified we can have ossified you can have ossified they can have ossified	I can have been ossifying you can have been ossifying he can have been ossifying we can have been ossifying you can have been ossifying they can have been ossifying

Negation

Simple form	V-ing form
I can't ossify you can't ossify he can't ossify we can't ossify you can't ossify they can't ossify	I can't be ossifying you can't be ossifying he can't be ossifying we can't be ossifying you can't be ossifying they can't be ossifying
Perfect	V-ing perfect
I can't have ossified you can't have ossified he can't have ossified we can't have ossified you can't have ossified they can't have ossified	I can't have been ossifying you can't have been ossifying he can't have been ossifying we can't have been ossifying you can't have been ossifying they can't have been ossifying

Interrogative form

Simple form	V-ing form
can I ossify? can you ossify? can he ossify? can we ossify? can you ossify? can they ossify?	can I be ossifying? can you be ossifying? can he be ossifying? can we be ossifying? can you be ossifying? can they be ossifying?
Perfect	V-ing perfect
can I have ossified? can you have ossified? can he have ossified? can we have ossified? can you have ossified? can they have ossified?	can I have been ossifying? can you have been ossifying? can he have been ossifying? can we have been ossifying? can you have been ossifying? can they have been ossifying?

Interro-negative form

Simple form	V-ing form
can't I ossify? can't you ossify? can't he ossify? can't we ossify? can't you ossify? can't they ossify?	can't I be ossifying? can't you be ossifying? can't he be ossifying? can't we be ossifying? can't you be ossifying? can't they be ossifying?
Perfect	V-ing perfect
can't I have ossified? can't you have ossified? can't he have ossified? can't we have ossified? can't you have ossified? can't they have ossified?	can't I have been ossifying? can't you have been ossifying? can't he have been ossifying? can't we have been ossifying? can't you have been ossifying? can't they have been ossifying?