English verb conjugation
CAN CLUCK

Regular verb: cluck - clucked - clucked

Affirmation

Simple form	V-ing form
I can cluck you can cluck he can cluck we can cluck you can cluck they can cluck	I can be clucking you can be clucking he can be clucking we can be clucking you can be clucking they can be clucking
Perfect	V-ing perfect
I can have clucked you can have clucked he can have clucked we can have clucked you can have clucked they can have clucked	I can have been clucking you can have been clucking he can have been clucking we can have been clucking you can have been clucking they can have been clucking

Negation

Simple form	V-ing form
I can't cluck you can't cluck he can't cluck we can't cluck you can't cluck they can't cluck	I can't be clucking you can't be clucking he can't be clucking we can't be clucking you can't be clucking they can't be clucking
Perfect	V-ing perfect
I can't have clucked you can't have clucked he can't have clucked we can't have clucked you can't have clucked they can't have clucked	I can't have been clucking you can't have been clucking he can't have been clucking we can't have been clucking you can't have been clucking they can't have been clucking

Interrogative form

Simple form	V-ing form
can I cluck? can you cluck? can he cluck? can we cluck? can you cluck? can they cluck?	can I be clucking? can you be clucking? can he be clucking? can we be clucking? can you be clucking? can they be clucking?
Perfect	V-ing perfect
can I have clucked? can you have clucked? can he have clucked? can we have clucked? can you have clucked? can they have clucked?	can I have been clucking? can you have been clucking? can he have been clucking? can we have been clucking? can you have been clucking? can they have been clucking?

Interro-negative form

Simple form	V-ing form
can't I cluck? can't you cluck? can't he cluck? can't we cluck? can't you cluck? can't they cluck?	can't I be clucking? can't you be clucking? can't he be clucking? can't we be clucking? can't you be clucking? can't they be clucking?
Perfect	V-ing perfect
can't I have clucked? can't you have clucked? can't he have clucked? can't we have clucked? can't you have clucked? can't they have clucked?	can't I have been clucking? can't you have been clucking? can't he have been clucking? can't we have been clucking? can't you have been clucking? can't they have been clucking?