English verb conjugation
CAN SWEAR

Irregular verb: swear - swore - sworn

Affirmation

Simple form	V-ing form
I can swear you can swear he can swear we can swear you can swear they can swear	I can be swearing you can be swearing he 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 he 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 he 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 can't swear you can't swear he can't swear we can't swear you can't swear they can't swear	I can't be swearing you can't be swearing he can't be swearing we can't be swearing you can't be swearing they can't be swearing
Perfect	V-ing perfect
I can't have sworn you can't have sworn he can't have sworn we can't have sworn you can't have sworn they can't have sworn	I can't have been swearing you can't have been swearing he can't have been swearing we can't have been swearing you can't have been swearing they can't have been swearing

Interrogative form

Simple form	V-ing form
can I swear? can you swear? can he swear? can we swear? can you swear? can they swear?	can I be swearing? can you be swearing? can he 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 he 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 he 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't I swear? can't you swear? can't he swear? can't we swear? can't you swear? can't they swear?	can't I be swearing? can't you be swearing? can't he be swearing? can't we be swearing? can't you be swearing? can't they be swearing?
Perfect	V-ing perfect
can't I have sworn? can't you have sworn? can't he have sworn? can't we have sworn? can't you have sworn? can't they have sworn?	can't I have been swearing? can't you have been swearing? can't he have been swearing? can't we have been swearing? can't you have been swearing? can't they have been swearing?