English verb conjugation
CAN WITHER

Regular verb: wither - withered - withered

Affirmation

Simple form	V-ing form
I can wither you can wither he can wither we can wither you can wither they can wither	I can be withering you can be withering he can be withering we can be withering you can be withering they can be withering
Perfect	V-ing perfect
I can have withered you can have withered he can have withered we can have withered you can have withered they can have withered	I can have been withering you can have been withering he can have been withering we can have been withering you can have been withering they can have been withering

Negation

Simple form	V-ing form
I can't wither you can't wither he can't wither we can't wither you can't wither they can't wither	I can't be withering you can't be withering he can't be withering we can't be withering you can't be withering they can't be withering
Perfect	V-ing perfect
I can't have withered you can't have withered he can't have withered we can't have withered you can't have withered they can't have withered	I can't have been withering you can't have been withering he can't have been withering we can't have been withering you can't have been withering they can't have been withering

Interrogative form

Simple form	V-ing form
can I wither? can you wither? can he wither? can we wither? can you wither? can they wither?	can I be withering? can you be withering? can he be withering? can we be withering? can you be withering? can they be withering?
Perfect	V-ing perfect
can I have withered? can you have withered? can he have withered? can we have withered? can you have withered? can they have withered?	can I have been withering? can you have been withering? can he have been withering? can we have been withering? can you have been withering? can they have been withering?

Interro-negative form

Simple form	V-ing form
can't I wither? can't you wither? can't he wither? can't we wither? can't you wither? can't they wither?	can't I be withering? can't you be withering? can't he be withering? can't we be withering? can't you be withering? can't they be withering?
Perfect	V-ing perfect
can't I have withered? can't you have withered? can't he have withered? can't we have withered? can't you have withered? can't they have withered?	can't I have been withering? can't you have been withering? can't he have been withering? can't we have been withering? can't you have been withering? can't they have been withering?