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 cannot cluck you cannot cluck he cannot cluck we cannot cluck you cannot cluck they cannot cluck	I cannot be clucking you cannot be clucking he cannot be clucking we cannot be clucking you cannot be clucking they cannot be clucking
Perfect	V-ing perfect
I cannot have clucked you cannot have clucked he cannot have clucked we cannot have clucked you cannot have clucked they cannot have clucked	I cannot have been clucking you cannot have been clucking he cannot have been clucking we cannot have been clucking you cannot have been clucking they cannot 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 I not cluck? can you not cluck? can he not cluck? can we not cluck? can you not cluck? can they not cluck?	can I not be clucking? can you not be clucking? can he not be clucking? can we not be clucking? can you not be clucking? can they not be clucking?
Perfect	V-ing perfect
can I not have clucked? can you not have clucked? can he not have clucked? can we not have clucked? can you not have clucked? can they not have clucked?	can I not have been clucking? can you not have been clucking? can he not have been clucking? can we not have been clucking? can you not have been clucking? can they not have been clucking?