can clamp
Regular verb: clamp - clamped- clamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can clamp
you can clamp
she can clamp
we can clamp
you can clamp
they can clamp 	I can be clamping
you can be clamping
she can be clamping
we can be clamping
you can be clamping
they can be clamping	I can have clamped
you can have clamped
she can have clamped
we can have clamped
you can have clamped
they can have clamped	I can have been clamping
you can have been clamping
she can have been clamping
we can have been clamping
you can have been clamping
they can have been clamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't clamp
you can't clamp
she can't clamp
we can't clamp
you can't clamp
they can't clamp 	I can't be clamping
you can't be clamping
she can't be clamping
we can't be clamping
you can't be clamping
they can't be clamping	I can't have clamped
you can't have clamped
she can't have clamped
we can't have clamped
you can't have clamped
they can't have clamped	I can't have been clamping
you can't have been clamping
she can't have been clamping
we can't have been clamping
you can't have been clamping
they can't have been clamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I clamp?
can you clamp?
can she clamp?
can we clamp?
can you clamp?
can they clamp? 	can I be clamping?
can you be clamping?
can she be clamping?
can we be clamping?
can you be clamping?
can they be clamping? 	can I have clamped?
can you have clamped?
can she have clamped?
can we have clamped?
can you have clamped?
can they have clamped? 	can I have been clamping?
can you have been clamping?
can she have been clamping?
can we have been clamping?
can you have been clamping?
can they have been clamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I clamp?
can't you clamp?
can't she clamp?
can't we clamp?
can't you clamp?
can't they clamp? 	can't I be clamping?
can't you be clamping?
can't she be clamping?
can't we be clamping?
can't you be clamping?
can't they be clamping? 	can't I have clamped?
can't you have clamped?
can't she have clamped?
can't we have clamped?
can't you have clamped?
can't they have clamped? 	can't I have been clamping?
can't you have been clamping?
can't she have been clamping?
can't we have been clamping?
can't you have been clamping?
can't they have been clamping?