English verb conjugation
CAN SWAB

Regular verb: swab - swabed - swabed

Affirmation

Simple form	V-ing form
I can swab you can swab he can swab we can swab you can swab they can swab	I can be swabing you can be swabing he can be swabing we can be swabing you can be swabing they can be swabing
Perfect	V-ing perfect
I can have swabed you can have swabed he can have swabed we can have swabed you can have swabed they can have swabed	I can have been swabing you can have been swabing he can have been swabing we can have been swabing you can have been swabing they can have been swabing

Negation

Simple form	V-ing form
I cannot swab you cannot swab he cannot swab we cannot swab you cannot swab they cannot swab	I cannot be swabing you cannot be swabing he cannot be swabing we cannot be swabing you cannot be swabing they cannot be swabing
Perfect	V-ing perfect
I cannot have swabed you cannot have swabed he cannot have swabed we cannot have swabed you cannot have swabed they cannot have swabed	I cannot have been swabing you cannot have been swabing he cannot have been swabing we cannot have been swabing you cannot have been swabing they cannot have been swabing

Interrogative form

Simple form	V-ing form
can I swab? can you swab? can he swab? can we swab? can you swab? can they swab?	can I be swabing? can you be swabing? can he be swabing? can we be swabing? can you be swabing? can they be swabing?
Perfect	V-ing perfect
can I have swabed? can you have swabed? can he have swabed? can we have swabed? can you have swabed? can they have swabed?	can I have been swabing? can you have been swabing? can he have been swabing? can we have been swabing? can you have been swabing? can they have been swabing?

Interro-negative form

Simple form	V-ing form
can I not swab? can you not swab? can he not swab? can we not swab? can you not swab? can they not swab?	can I not be swabing? can you not be swabing? can he not be swabing? can we not be swabing? can you not be swabing? can they not be swabing?
Perfect	V-ing perfect
can I not have swabed? can you not have swabed? can he not have swabed? can we not have swabed? can you not have swabed? can they not have swabed?	can I not have been swabing? can you not have been swabing? can he not have been swabing? can we not have been swabing? can you not have been swabing? can they not have been swabing?