English verb conjugation
CAN CLUTTER

Regular verb: clutter - cluttered - cluttered

Affirmation

Simple form	V-ing form
I can clutter you can clutter he can clutter we can clutter you can clutter they can clutter	I can be cluttering you can be cluttering he can be cluttering we can be cluttering you can be cluttering they can be cluttering
Perfect	V-ing perfect
I can have cluttered you can have cluttered he can have cluttered we can have cluttered you can have cluttered they can have cluttered	I can have been cluttering you can have been cluttering he can have been cluttering we can have been cluttering you can have been cluttering they can have been cluttering

Negation

Simple form	V-ing form
I cannot clutter you cannot clutter he cannot clutter we cannot clutter you cannot clutter they cannot clutter	I cannot be cluttering you cannot be cluttering he cannot be cluttering we cannot be cluttering you cannot be cluttering they cannot be cluttering
Perfect	V-ing perfect
I cannot have cluttered you cannot have cluttered he cannot have cluttered we cannot have cluttered you cannot have cluttered they cannot have cluttered	I cannot have been cluttering you cannot have been cluttering he cannot have been cluttering we cannot have been cluttering you cannot have been cluttering they cannot have been cluttering

Interrogative form

Simple form	V-ing form
can I clutter? can you clutter? can he clutter? can we clutter? can you clutter? can they clutter?	can I be cluttering? can you be cluttering? can he be cluttering? can we be cluttering? can you be cluttering? can they be cluttering?
Perfect	V-ing perfect
can I have cluttered? can you have cluttered? can he have cluttered? can we have cluttered? can you have cluttered? can they have cluttered?	can I have been cluttering? can you have been cluttering? can he have been cluttering? can we have been cluttering? can you have been cluttering? can they have been cluttering?

Interro-negative form

Simple form	V-ing form
can I not clutter? can you not clutter? can he not clutter? can we not clutter? can you not clutter? can they not clutter?	can I not be cluttering? can you not be cluttering? can he not be cluttering? can we not be cluttering? can you not be cluttering? can they not be cluttering?
Perfect	V-ing perfect
can I not have cluttered? can you not have cluttered? can he not have cluttered? can we not have cluttered? can you not have cluttered? can they not have cluttered?	can I not have been cluttering? can you not have been cluttering? can he not have been cluttering? can we not have been cluttering? can you not have been cluttering? can they not have been cluttering?