can uncap
Regular verb: uncap - uncapped- uncapped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can uncap
you can uncap
he can uncap
we can uncap
you can uncap
they can uncap 	I can be uncapping
you can be uncapping
he can be uncapping
we can be uncapping
you can be uncapping
they can be uncapping	I can have uncapped
you can have uncapped
he can have uncapped
we can have uncapped
you can have uncapped
they can have uncapped	I can have been uncapping
you can have been uncapping
he can have been uncapping
we can have been uncapping
you can have been uncapping
they can have been uncapping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot uncap
you cannot uncap
he cannot uncap
we cannot uncap
you cannot uncap
they cannot uncap 	I cannot be uncapping
you cannot be uncapping
he cannot be uncapping
we cannot be uncapping
you cannot be uncapping
they cannot be uncapping	I cannot have uncapped
you cannot have uncapped
he cannot have uncapped
we cannot have uncapped
you cannot have uncapped
they cannot have uncapped	I cannot have been uncapping
you cannot have been uncapping
he cannot have been uncapping
we cannot have been uncapping
you cannot have been uncapping
they cannot have been uncapping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I uncap?
can you uncap?
can he uncap?
can we uncap?
can you uncap?
can they uncap? 	can I be uncapping?
can you be uncapping?
can he be uncapping?
can we be uncapping?
can you be uncapping?
can they be uncapping? 	can I have uncapped?
can you have uncapped?
can he have uncapped?
can we have uncapped?
can you have uncapped?
can they have uncapped? 	can I have been uncapping?
can you have been uncapping?
can he have been uncapping?
can we have been uncapping?
can you have been uncapping?
can they have been uncapping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not uncap?
can you not uncap?
can he not uncap?
can we not uncap?
can you not uncap?
can they not uncap? 	can I not be uncapping?
can you not be uncapping?
can he not be uncapping?
can we not be uncapping?
can you not be uncapping?
can they not be uncapping? 	can I not have uncapped?
can you not have uncapped?
can he not have uncapped?
can we not have uncapped?
can you not have uncapped?
can they not have uncapped? 	can I not have been uncapping?
can you not have been uncapping?
can he not have been uncapping?
can we not have been uncapping?
can you not have been uncapping?
can they not have been uncapping?