I can scarify you can scarify he can scarify we can scarify you can scarify they can scarify
V-ing form
I can be scarifying you can be scarifying he can be scarifying we can be scarifying you can be scarifying they can be scarifying
Perfect
I can have scarified you can have scarified he can have scarified we can have scarified you can have scarified they can have scarified
V-ing perfect
I can have been scarifying you can have been scarifying he can have been scarifying we can have been scarifying you can have been scarifying they can have been scarifying
Negation
Simple form
I can't scarify you can't scarify he can't scarify we can't scarify you can't scarify they can't scarify
V-ing form
I can't be scarifying you can't be scarifying he can't be scarifying we can't be scarifying you can't be scarifying they can't be scarifying
Perfect
I can't have scarified you can't have scarified he can't have scarified we can't have scarified you can't have scarified they can't have scarified
V-ing perfect
I can't have been scarifying you can't have been scarifying he can't have been scarifying we can't have been scarifying you can't have been scarifying they can't have been scarifying
Interrogative form
Simple form
can I scarify? can you scarify? can he scarify? can we scarify? can you scarify? can they scarify?
V-ing form
can I be scarifying? can you be scarifying? can he be scarifying? can we be scarifying? can you be scarifying? can they be scarifying?
Perfect
can I have scarified? can you have scarified? can he have scarified? can we have scarified? can you have scarified? can they have scarified?
V-ing perfect
can I have been scarifying? can you have been scarifying? can he have been scarifying? can we have been scarifying? can you have been scarifying? can they have been scarifying?
Interro-negative form
Simple form
can't I scarify? can't you scarify? can't he scarify? can't we scarify? can't you scarify? can't they scarify?
V-ing form
can't I be scarifying? can't you be scarifying? can't he be scarifying? can't we be scarifying? can't you be scarifying? can't they be scarifying?
Perfect
can't I have scarified? can't you have scarified? can't he have scarified? can't we have scarified? can't you have scarified? can't they have scarified?
V-ing perfect
can't I have been scarifying? can't you have been scarifying? can't he have been scarifying? can't we have been scarifying? can't you have been scarifying? can't they have been scarifying?