I can slice you can slice he can slice we can slice you can slice they can slice
V-ing form
I can be slicing you can be slicing he can be slicing we can be slicing you can be slicing they can be slicing
Perfect
I can have sliced you can have sliced he can have sliced we can have sliced you can have sliced they can have sliced
V-ing perfect
I can have been slicing you can have been slicing he can have been slicing we can have been slicing you can have been slicing they can have been slicing
Negation
Simple form
I can't slice you can't slice he can't slice we can't slice you can't slice they can't slice
V-ing form
I can't be slicing you can't be slicing he can't be slicing we can't be slicing you can't be slicing they can't be slicing
Perfect
I can't have sliced you can't have sliced he can't have sliced we can't have sliced you can't have sliced they can't have sliced
V-ing perfect
I can't have been slicing you can't have been slicing he can't have been slicing we can't have been slicing you can't have been slicing they can't have been slicing
Interrogative form
Simple form
can I slice? can you slice? can he slice? can we slice? can you slice? can they slice?
V-ing form
can I be slicing? can you be slicing? can he be slicing? can we be slicing? can you be slicing? can they be slicing?
Perfect
can I have sliced? can you have sliced? can he have sliced? can we have sliced? can you have sliced? can they have sliced?
V-ing perfect
can I have been slicing? can you have been slicing? can he have been slicing? can we have been slicing? can you have been slicing? can they have been slicing?
Interro-negative form
Simple form
can't I slice? can't you slice? can't he slice? can't we slice? can't you slice? can't they slice?
V-ing form
can't I be slicing? can't you be slicing? can't he be slicing? can't we be slicing? can't you be slicing? can't they be slicing?
Perfect
can't I have sliced? can't you have sliced? can't he have sliced? can't we have sliced? can't you have sliced? can't they have sliced?
V-ing perfect
can't I have been slicing? can't you have been slicing? can't he have been slicing? can't we have been slicing? can't you have been slicing? can't they have been slicing?