English verb conjugation
CAN MUCK

Regular verb: muck - mucked - mucked

Affirmation

Simple form	V-ing form
I can muck you can muck she can muck we can muck you can muck they can muck	I can be mucking you can be mucking she can be mucking we can be mucking you can be mucking they can be mucking
Perfect	V-ing perfect
I can have mucked you can have mucked she can have mucked we can have mucked you can have mucked they can have mucked	I can have been mucking you can have been mucking she can have been mucking we can have been mucking you can have been mucking they can have been mucking

Negation

Simple form	V-ing form
I can't muck you can't muck she can't muck we can't muck you can't muck they can't muck	I can't be mucking you can't be mucking she can't be mucking we can't be mucking you can't be mucking they can't be mucking
Perfect	V-ing perfect
I can't have mucked you can't have mucked she can't have mucked we can't have mucked you can't have mucked they can't have mucked	I can't have been mucking you can't have been mucking she can't have been mucking we can't have been mucking you can't have been mucking they can't have been mucking

Interrogative form

Simple form	V-ing form
can I muck? can you muck? can she muck? can we muck? can you muck? can they muck?	can I be mucking? can you be mucking? can she be mucking? can we be mucking? can you be mucking? can they be mucking?
Perfect	V-ing perfect
can I have mucked? can you have mucked? can she have mucked? can we have mucked? can you have mucked? can they have mucked?	can I have been mucking? can you have been mucking? can she have been mucking? can we have been mucking? can you have been mucking? can they have been mucking?

Interro-negative form

Simple form	V-ing form
can't I muck? can't you muck? can't she muck? can't we muck? can't you muck? can't they muck?	can't I be mucking? can't you be mucking? can't she be mucking? can't we be mucking? can't you be mucking? can't they be mucking?
Perfect	V-ing perfect
can't I have mucked? can't you have mucked? can't she have mucked? can't we have mucked? can't you have mucked? can't they have mucked?	can't I have been mucking? can't you have been mucking? can't she have been mucking? can't we have been mucking? can't you have been mucking? can't they have been mucking?