can moss
Regular verb: moss - mossed- mossed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can moss
you can moss
she can moss
we can moss
you can moss
they can moss 	I can be mossing
you can be mossing
she can be mossing
we can be mossing
you can be mossing
they can be mossing	I can have mossed
you can have mossed
she can have mossed
we can have mossed
you can have mossed
they can have mossed	I can have been mossing
you can have been mossing
she can have been mossing
we can have been mossing
you can have been mossing
they can have been mossing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't moss
you can't moss
she can't moss
we can't moss
you can't moss
they can't moss 	I can't be mossing
you can't be mossing
she can't be mossing
we can't be mossing
you can't be mossing
they can't be mossing	I can't have mossed
you can't have mossed
she can't have mossed
we can't have mossed
you can't have mossed
they can't have mossed	I can't have been mossing
you can't have been mossing
she can't have been mossing
we can't have been mossing
you can't have been mossing
they can't have been mossing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I moss?
can you moss?
can she moss?
can we moss?
can you moss?
can they moss? 	can I be mossing?
can you be mossing?
can she be mossing?
can we be mossing?
can you be mossing?
can they be mossing? 	can I have mossed?
can you have mossed?
can she have mossed?
can we have mossed?
can you have mossed?
can they have mossed? 	can I have been mossing?
can you have been mossing?
can she have been mossing?
can we have been mossing?
can you have been mossing?
can they have been mossing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I moss?
can't you moss?
can't she moss?
can't we moss?
can't you moss?
can't they moss? 	can't I be mossing?
can't you be mossing?
can't she be mossing?
can't we be mossing?
can't you be mossing?
can't they be mossing? 	can't I have mossed?
can't you have mossed?
can't she have mossed?
can't we have mossed?
can't you have mossed?
can't they have mossed? 	can't I have been mossing?
can't you have been mossing?
can't she have been mossing?
can't we have been mossing?
can't you have been mossing?
can't they have been mossing?