English verb conjugation
CAN SWEAR

Irregular verb: swear - swore - sworn

Affirmation

Simple form	V-ing form
I can swear you can swear she can swear we can swear you can swear they can swear	I can be swearing you can be swearing she can be swearing we can be swearing you can be swearing they can be swearing
Perfect	V-ing perfect
I can have sworn you can have sworn she can have sworn we can have sworn you can have sworn they can have sworn	I can have been swearing you can have been swearing she can have been swearing we can have been swearing you can have been swearing they can have been swearing

Negation

Simple form	V-ing form
I cannot swear you cannot swear she cannot swear we cannot swear you cannot swear they cannot swear	I cannot be swearing you cannot be swearing she cannot be swearing we cannot be swearing you cannot be swearing they cannot be swearing
Perfect	V-ing perfect
I cannot have sworn you cannot have sworn she cannot have sworn we cannot have sworn you cannot have sworn they cannot have sworn	I cannot have been swearing you cannot have been swearing she cannot have been swearing we cannot have been swearing you cannot have been swearing they cannot have been swearing

Interrogative form

Simple form	V-ing form
can I swear? can you swear? can she swear? can we swear? can you swear? can they swear?	can I be swearing? can you be swearing? can she be swearing? can we be swearing? can you be swearing? can they be swearing?
Perfect	V-ing perfect
can I have sworn? can you have sworn? can she have sworn? can we have sworn? can you have sworn? can they have sworn?	can I have been swearing? can you have been swearing? can she have been swearing? can we have been swearing? can you have been swearing? can they have been swearing?

Interro-negative form

Simple form	V-ing form
can I not swear? can you not swear? can she not swear? can we not swear? can you not swear? can they not swear?	can I not be swearing? can you not be swearing? can she not be swearing? can we not be swearing? can you not be swearing? can they not be swearing?
Perfect	V-ing perfect
can I not have sworn? can you not have sworn? can she not have sworn? can we not have sworn? can you not have sworn? can they not have sworn?	can I not have been swearing? can you not have been swearing? can she not have been swearing? can we not have been swearing? can you not have been swearing? can they not have been swearing?