English verb conjugation
CAN WHICKER

Regular verb: whicker - whickered - whickered

Affirmation

Simple form	V-ing form
I can whicker you can whicker he can whicker we can whicker you can whicker they can whicker	I can be whickering you can be whickering he can be whickering we can be whickering you can be whickering they can be whickering
Perfect	V-ing perfect
I can have whickered you can have whickered he can have whickered we can have whickered you can have whickered they can have whickered	I can have been whickering you can have been whickering he can have been whickering we can have been whickering you can have been whickering they can have been whickering

Negation

Simple form	V-ing form
I can't whicker you can't whicker he can't whicker we can't whicker you can't whicker they can't whicker	I can't be whickering you can't be whickering he can't be whickering we can't be whickering you can't be whickering they can't be whickering
Perfect	V-ing perfect
I can't have whickered you can't have whickered he can't have whickered we can't have whickered you can't have whickered they can't have whickered	I can't have been whickering you can't have been whickering he can't have been whickering we can't have been whickering you can't have been whickering they can't have been whickering

Interrogative form

Simple form	V-ing form
can I whicker? can you whicker? can he whicker? can we whicker? can you whicker? can they whicker?	can I be whickering? can you be whickering? can he be whickering? can we be whickering? can you be whickering? can they be whickering?
Perfect	V-ing perfect
can I have whickered? can you have whickered? can he have whickered? can we have whickered? can you have whickered? can they have whickered?	can I have been whickering? can you have been whickering? can he have been whickering? can we have been whickering? can you have been whickering? can they have been whickering?

Interro-negative form

Simple form	V-ing form
can't I whicker? can't you whicker? can't he whicker? can't we whicker? can't you whicker? can't they whicker?	can't I be whickering? can't you be whickering? can't he be whickering? can't we be whickering? can't you be whickering? can't they be whickering?
Perfect	V-ing perfect
can't I have whickered? can't you have whickered? can't he have whickered? can't we have whickered? can't you have whickered? can't they have whickered?	can't I have been whickering? can't you have been whickering? can't he have been whickering? can't we have been whickering? can't you have been whickering? can't they have been whickering?