English verb conjugation
CAN CLARIFY

Regular verb: clarify - clarified - clarified

Affirmation

Simple form	V-ing form
I can clarify you can clarify he can clarify we can clarify you can clarify they can clarify	I can be clarifying you can be clarifying he can be clarifying we can be clarifying you can be clarifying they can be clarifying
Perfect	V-ing perfect
I can have clarified you can have clarified he can have clarified we can have clarified you can have clarified they can have clarified	I can have been clarifying you can have been clarifying he can have been clarifying we can have been clarifying you can have been clarifying they can have been clarifying

Negation

Simple form	V-ing form
I can't clarify you can't clarify he can't clarify we can't clarify you can't clarify they can't clarify	I can't be clarifying you can't be clarifying he can't be clarifying we can't be clarifying you can't be clarifying they can't be clarifying
Perfect	V-ing perfect
I can't have clarified you can't have clarified he can't have clarified we can't have clarified you can't have clarified they can't have clarified	I can't have been clarifying you can't have been clarifying he can't have been clarifying we can't have been clarifying you can't have been clarifying they can't have been clarifying

Interrogative form

Simple form	V-ing form
can I clarify? can you clarify? can he clarify? can we clarify? can you clarify? can they clarify?	can I be clarifying? can you be clarifying? can he be clarifying? can we be clarifying? can you be clarifying? can they be clarifying?
Perfect	V-ing perfect
can I have clarified? can you have clarified? can he have clarified? can we have clarified? can you have clarified? can they have clarified?	can I have been clarifying? can you have been clarifying? can he have been clarifying? can we have been clarifying? can you have been clarifying? can they have been clarifying?

Interro-negative form

Simple form	V-ing form
can't I clarify? can't you clarify? can't he clarify? can't we clarify? can't you clarify? can't they clarify?	can't I be clarifying? can't you be clarifying? can't he be clarifying? can't we be clarifying? can't you be clarifying? can't they be clarifying?
Perfect	V-ing perfect
can't I have clarified? can't you have clarified? can't he have clarified? can't we have clarified? can't you have clarified? can't they have clarified?	can't I have been clarifying? can't you have been clarifying? can't he have been clarifying? can't we have been clarifying? can't you have been clarifying? can't they have been clarifying?