English verb conjugation
CAN CANKER

Regular verb: canker - cankered - cankered

Affirmation

Simple form	V-ing form
I can canker you can canker he can canker we can canker you can canker they can canker	I can be cankering you can be cankering he can be cankering we can be cankering you can be cankering they can be cankering
Perfect	V-ing perfect
I can have cankered you can have cankered he can have cankered we can have cankered you can have cankered they can have cankered	I can have been cankering you can have been cankering he can have been cankering we can have been cankering you can have been cankering they can have been cankering

Negation

Simple form	V-ing form
I can't canker you can't canker he can't canker we can't canker you can't canker they can't canker	I can't be cankering you can't be cankering he can't be cankering we can't be cankering you can't be cankering they can't be cankering
Perfect	V-ing perfect
I can't have cankered you can't have cankered he can't have cankered we can't have cankered you can't have cankered they can't have cankered	I can't have been cankering you can't have been cankering he can't have been cankering we can't have been cankering you can't have been cankering they can't have been cankering

Interrogative form

Simple form	V-ing form
can I canker? can you canker? can he canker? can we canker? can you canker? can they canker?	can I be cankering? can you be cankering? can he be cankering? can we be cankering? can you be cankering? can they be cankering?
Perfect	V-ing perfect
can I have cankered? can you have cankered? can he have cankered? can we have cankered? can you have cankered? can they have cankered?	can I have been cankering? can you have been cankering? can he have been cankering? can we have been cankering? can you have been cankering? can they have been cankering?

Interro-negative form

Simple form	V-ing form
can't I canker? can't you canker? can't he canker? can't we canker? can't you canker? can't they canker?	can't I be cankering? can't you be cankering? can't he be cankering? can't we be cankering? can't you be cankering? can't they be cankering?
Perfect	V-ing perfect
can't I have cankered? can't you have cankered? can't he have cankered? can't we have cankered? can't you have cankered? can't they have cankered?	can't I have been cankering? can't you have been cankering? can't he have been cankering? can't we have been cankering? can't you have been cankering? can't they have been cankering?