English verb conjugation
CAN CLUE

Regular verb: clue - clued - clued

Affirmation

Simple form	V-ing form
I can clue you can clue he can clue we can clue you can clue they can clue	I can be cluing you can be cluing he can be cluing we can be cluing you can be cluing they can be cluing
Perfect	V-ing perfect
I can have clued you can have clued he can have clued we can have clued you can have clued they can have clued	I can have been cluing you can have been cluing he can have been cluing we can have been cluing you can have been cluing they can have been cluing

Negation

Simple form	V-ing form
I cannot clue you cannot clue he cannot clue we cannot clue you cannot clue they cannot clue	I cannot be cluing you cannot be cluing he cannot be cluing we cannot be cluing you cannot be cluing they cannot be cluing
Perfect	V-ing perfect
I cannot have clued you cannot have clued he cannot have clued we cannot have clued you cannot have clued they cannot have clued	I cannot have been cluing you cannot have been cluing he cannot have been cluing we cannot have been cluing you cannot have been cluing they cannot have been cluing

Interrogative form

Simple form	V-ing form
can I clue? can you clue? can he clue? can we clue? can you clue? can they clue?	can I be cluing? can you be cluing? can he be cluing? can we be cluing? can you be cluing? can they be cluing?
Perfect	V-ing perfect
can I have clued? can you have clued? can he have clued? can we have clued? can you have clued? can they have clued?	can I have been cluing? can you have been cluing? can he have been cluing? can we have been cluing? can you have been cluing? can they have been cluing?

Interro-negative form

Simple form	V-ing form
can I not clue? can you not clue? can he not clue? can we not clue? can you not clue? can they not clue?	can I not be cluing? can you not be cluing? can he not be cluing? can we not be cluing? can you not be cluing? can they not be cluing?
Perfect	V-ing perfect
can I not have clued? can you not have clued? can he not have clued? can we not have clued? can you not have clued? can they not have clued?	can I not have been cluing? can you not have been cluing? can he not have been cluing? can we not have been cluing? can you not have been cluing? can they not have been cluing?