English verb conjugation
CAN CRUD

Regular verb: crud - cruded - cruded

Affirmation

Simple form	V-ing form
I can crud you can crud he can crud we can crud you can crud they can crud	I can be cruding you can be cruding he can be cruding we can be cruding you can be cruding they can be cruding
Perfect	V-ing perfect
I can have cruded you can have cruded he can have cruded we can have cruded you can have cruded they can have cruded	I can have been cruding you can have been cruding he can have been cruding we can have been cruding you can have been cruding they can have been cruding

Negation

Simple form	V-ing form
I can't crud you can't crud he can't crud we can't crud you can't crud they can't crud	I can't be cruding you can't be cruding he can't be cruding we can't be cruding you can't be cruding they can't be cruding
Perfect	V-ing perfect
I can't have cruded you can't have cruded he can't have cruded we can't have cruded you can't have cruded they can't have cruded	I can't have been cruding you can't have been cruding he can't have been cruding we can't have been cruding you can't have been cruding they can't have been cruding

Interrogative form

Simple form	V-ing form
can I crud? can you crud? can he crud? can we crud? can you crud? can they crud?	can I be cruding? can you be cruding? can he be cruding? can we be cruding? can you be cruding? can they be cruding?
Perfect	V-ing perfect
can I have cruded? can you have cruded? can he have cruded? can we have cruded? can you have cruded? can they have cruded?	can I have been cruding? can you have been cruding? can he have been cruding? can we have been cruding? can you have been cruding? can they have been cruding?

Interro-negative form

Simple form	V-ing form
can't I crud? can't you crud? can't he crud? can't we crud? can't you crud? can't they crud?	can't I be cruding? can't you be cruding? can't he be cruding? can't we be cruding? can't you be cruding? can't they be cruding?
Perfect	V-ing perfect
can't I have cruded? can't you have cruded? can't he have cruded? can't we have cruded? can't you have cruded? can't they have cruded?	can't I have been cruding? can't you have been cruding? can't he have been cruding? can't we have been cruding? can't you have been cruding? can't they have been cruding?