English verb conjugation
CAN YUK

Regular verb: yuk - yuked - yuked

Affirmation

Simple form	V-ing form
I can yuk you can yuk he can yuk we can yuk you can yuk they can yuk	I can be yuking you can be yuking he can be yuking we can be yuking you can be yuking they can be yuking
Perfect	V-ing perfect
I can have yuked you can have yuked he can have yuked we can have yuked you can have yuked they can have yuked	I can have been yuking you can have been yuking he can have been yuking we can have been yuking you can have been yuking they can have been yuking

Negation

Simple form	V-ing form
I can't yuk you can't yuk he can't yuk we can't yuk you can't yuk they can't yuk	I can't be yuking you can't be yuking he can't be yuking we can't be yuking you can't be yuking they can't be yuking
Perfect	V-ing perfect
I can't have yuked you can't have yuked he can't have yuked we can't have yuked you can't have yuked they can't have yuked	I can't have been yuking you can't have been yuking he can't have been yuking we can't have been yuking you can't have been yuking they can't have been yuking

Interrogative form

Simple form	V-ing form
can I yuk? can you yuk? can he yuk? can we yuk? can you yuk? can they yuk?	can I be yuking? can you be yuking? can he be yuking? can we be yuking? can you be yuking? can they be yuking?
Perfect	V-ing perfect
can I have yuked? can you have yuked? can he have yuked? can we have yuked? can you have yuked? can they have yuked?	can I have been yuking? can you have been yuking? can he have been yuking? can we have been yuking? can you have been yuking? can they have been yuking?

Interro-negative form

Simple form	V-ing form
can't I yuk? can't you yuk? can't he yuk? can't we yuk? can't you yuk? can't they yuk?	can't I be yuking? can't you be yuking? can't he be yuking? can't we be yuking? can't you be yuking? can't they be yuking?
Perfect	V-ing perfect
can't I have yuked? can't you have yuked? can't he have yuked? can't we have yuked? can't you have yuked? can't they have yuked?	can't I have been yuking? can't you have been yuking? can't he have been yuking? can't we have been yuking? can't you have been yuking? can't they have been yuking?