I can damp you can damp he can damp we can damp you can damp they can damp
V-ing form
I can be damping you can be damping he can be damping we can be damping you can be damping they can be damping
Perfect
I can have damped you can have damped he can have damped we can have damped you can have damped they can have damped
V-ing perfect
I can have been damping you can have been damping he can have been damping we can have been damping you can have been damping they can have been damping
Negation
Simple form
I cannot damp you cannot damp he cannot damp we cannot damp you cannot damp they cannot damp
V-ing form
I cannot be damping you cannot be damping he cannot be damping we cannot be damping you cannot be damping they cannot be damping
Perfect
I cannot have damped you cannot have damped he cannot have damped we cannot have damped you cannot have damped they cannot have damped
V-ing perfect
I cannot have been damping you cannot have been damping he cannot have been damping we cannot have been damping you cannot have been damping they cannot have been damping
Interrogative form
Simple form
can I damp? can you damp? can he damp? can we damp? can you damp? can they damp?
V-ing form
can I be damping? can you be damping? can he be damping? can we be damping? can you be damping? can they be damping?
Perfect
can I have damped? can you have damped? can he have damped? can we have damped? can you have damped? can they have damped?
V-ing perfect
can I have been damping? can you have been damping? can he have been damping? can we have been damping? can you have been damping? can they have been damping?
Interro-negative form
Simple form
can I not damp? can you not damp? can he not damp? can we not damp? can you not damp? can they not damp?
V-ing form
can I not be damping? can you not be damping? can he not be damping? can we not be damping? can you not be damping? can they not be damping?
Perfect
can I not have damped? can you not have damped? can he not have damped? can we not have damped? can you not have damped? can they not have damped?
V-ing perfect
can I not have been damping? can you not have been damping? can he not have been damping? can we not have been damping? can you not have been damping? can they not have been damping?