English verb conjugation
CAN CURD

Regular verb: curd - curded - curded

Affirmation

Simple form	V-ing form
I can curd you can curd he can curd we can curd you can curd they can curd	I can be curding you can be curding he can be curding we can be curding you can be curding they can be curding
Perfect	V-ing perfect
I can have curded you can have curded he can have curded we can have curded you can have curded they can have curded	I can have been curding you can have been curding he can have been curding we can have been curding you can have been curding they can have been curding

Negation

Simple form	V-ing form
I cannot curd you cannot curd he cannot curd we cannot curd you cannot curd they cannot curd	I cannot be curding you cannot be curding he cannot be curding we cannot be curding you cannot be curding they cannot be curding
Perfect	V-ing perfect
I cannot have curded you cannot have curded he cannot have curded we cannot have curded you cannot have curded they cannot have curded	I cannot have been curding you cannot have been curding he cannot have been curding we cannot have been curding you cannot have been curding they cannot have been curding

Interrogative form

Simple form	V-ing form
can I curd? can you curd? can he curd? can we curd? can you curd? can they curd?	can I be curding? can you be curding? can he be curding? can we be curding? can you be curding? can they be curding?
Perfect	V-ing perfect
can I have curded? can you have curded? can he have curded? can we have curded? can you have curded? can they have curded?	can I have been curding? can you have been curding? can he have been curding? can we have been curding? can you have been curding? can they have been curding?

Interro-negative form

Simple form	V-ing form
can I not curd? can you not curd? can he not curd? can we not curd? can you not curd? can they not curd?	can I not be curding? can you not be curding? can he not be curding? can we not be curding? can you not be curding? can they not be curding?
Perfect	V-ing perfect
can I not have curded? can you not have curded? can he not have curded? can we not have curded? can you not have curded? can they not have curded?	can I not have been curding? can you not have been curding? can he not have been curding? can we not have been curding? can you not have been curding? can they not have been curding?