English verb conjugation
CAN UNTUCK

Regular verb: untuck - untucked - untucked

Affirmation

Simple form	V-ing form
I can untuck you can untuck he can untuck we can untuck you can untuck they can untuck	I can be untucking you can be untucking he can be untucking we can be untucking you can be untucking they can be untucking
Perfect	V-ing perfect
I can have untucked you can have untucked he can have untucked we can have untucked you can have untucked they can have untucked	I can have been untucking you can have been untucking he can have been untucking we can have been untucking you can have been untucking they can have been untucking

Negation

Simple form	V-ing form
I cannot untuck you cannot untuck he cannot untuck we cannot untuck you cannot untuck they cannot untuck	I cannot be untucking you cannot be untucking he cannot be untucking we cannot be untucking you cannot be untucking they cannot be untucking
Perfect	V-ing perfect
I cannot have untucked you cannot have untucked he cannot have untucked we cannot have untucked you cannot have untucked they cannot have untucked	I cannot have been untucking you cannot have been untucking he cannot have been untucking we cannot have been untucking you cannot have been untucking they cannot have been untucking

Interrogative form

Simple form	V-ing form
can I untuck? can you untuck? can he untuck? can we untuck? can you untuck? can they untuck?	can I be untucking? can you be untucking? can he be untucking? can we be untucking? can you be untucking? can they be untucking?
Perfect	V-ing perfect
can I have untucked? can you have untucked? can he have untucked? can we have untucked? can you have untucked? can they have untucked?	can I have been untucking? can you have been untucking? can he have been untucking? can we have been untucking? can you have been untucking? can they have been untucking?

Interro-negative form

Simple form	V-ing form
can I not untuck? can you not untuck? can he not untuck? can we not untuck? can you not untuck? can they not untuck?	can I not be untucking? can you not be untucking? can he not be untucking? can we not be untucking? can you not be untucking? can they not be untucking?
Perfect	V-ing perfect
can I not have untucked? can you not have untucked? can he not have untucked? can we not have untucked? can you not have untucked? can they not have untucked?	can I not have been untucking? can you not have been untucking? can he not have been untucking? can we not have been untucking? can you not have been untucking? can they not have been untucking?