English verb conjugation
CAN NAB

Regular verb: nab - nabbed - nabbed

Affirmation

Simple form	V-ing form
I can nab you can nab he can nab we can nab you can nab they can nab	I can be nabbing you can be nabbing he can be nabbing we can be nabbing you can be nabbing they can be nabbing
Perfect	V-ing perfect
I can have nabbed you can have nabbed he can have nabbed we can have nabbed you can have nabbed they can have nabbed	I can have been nabbing you can have been nabbing he can have been nabbing we can have been nabbing you can have been nabbing they can have been nabbing

Negation

Simple form	V-ing form
I can't nab you can't nab he can't nab we can't nab you can't nab they can't nab	I can't be nabbing you can't be nabbing he can't be nabbing we can't be nabbing you can't be nabbing they can't be nabbing
Perfect	V-ing perfect
I can't have nabbed you can't have nabbed he can't have nabbed we can't have nabbed you can't have nabbed they can't have nabbed	I can't have been nabbing you can't have been nabbing he can't have been nabbing we can't have been nabbing you can't have been nabbing they can't have been nabbing

Interrogative form

Simple form	V-ing form
can I nab? can you nab? can he nab? can we nab? can you nab? can they nab?	can I be nabbing? can you be nabbing? can he be nabbing? can we be nabbing? can you be nabbing? can they be nabbing?
Perfect	V-ing perfect
can I have nabbed? can you have nabbed? can he have nabbed? can we have nabbed? can you have nabbed? can they have nabbed?	can I have been nabbing? can you have been nabbing? can he have been nabbing? can we have been nabbing? can you have been nabbing? can they have been nabbing?

Interro-negative form

Simple form	V-ing form
can't I nab? can't you nab? can't he nab? can't we nab? can't you nab? can't they nab?	can't I be nabbing? can't you be nabbing? can't he be nabbing? can't we be nabbing? can't you be nabbing? can't they be nabbing?
Perfect	V-ing perfect
can't I have nabbed? can't you have nabbed? can't he have nabbed? can't we have nabbed? can't you have nabbed? can't they have nabbed?	can't I have been nabbing? can't you have been nabbing? can't he have been nabbing? can't we have been nabbing? can't you have been nabbing? can't they have been nabbing?