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 can't damp you can't damp he can't damp we can't damp you can't damp they can't damp
V-ing form
I can't be damping you can't be damping he can't be damping we can't be damping you can't be damping they can't be damping
Perfect
I can't have damped you can't have damped he can't have damped we can't have damped you can't have damped they can't have damped
V-ing perfect
I can't have been damping you can't have been damping he can't have been damping we can't have been damping you can't have been damping they can't 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't I damp? can't you damp? can't he damp? can't we damp? can't you damp? can't they damp?
V-ing form
can't I be damping? can't you be damping? can't he be damping? can't we be damping? can't you be damping? can't they be damping?
Perfect
can't I have damped? can't you have damped? can't he have damped? can't we have damped? can't you have damped? can't they have damped?
V-ing perfect
can't I have been damping? can't you have been damping? can't he have been damping? can't we have been damping? can't you have been damping? can't they have been damping?