English verb conjugation
CAN SUCTION

Regular verb: suction - suctioned - suctioned

Affirmation

Simple form	V-ing form
I can suction you can suction he can suction we can suction you can suction they can suction	I can be suctioning you can be suctioning he can be suctioning we can be suctioning you can be suctioning they can be suctioning
Perfect	V-ing perfect
I can have suctioned you can have suctioned he can have suctioned we can have suctioned you can have suctioned they can have suctioned	I can have been suctioning you can have been suctioning he can have been suctioning we can have been suctioning you can have been suctioning they can have been suctioning

Negation

Simple form	V-ing form
I cannot suction you cannot suction he cannot suction we cannot suction you cannot suction they cannot suction	I cannot be suctioning you cannot be suctioning he cannot be suctioning we cannot be suctioning you cannot be suctioning they cannot be suctioning
Perfect	V-ing perfect
I cannot have suctioned you cannot have suctioned he cannot have suctioned we cannot have suctioned you cannot have suctioned they cannot have suctioned	I cannot have been suctioning you cannot have been suctioning he cannot have been suctioning we cannot have been suctioning you cannot have been suctioning they cannot have been suctioning

Interrogative form

Simple form	V-ing form
can I suction? can you suction? can he suction? can we suction? can you suction? can they suction?	can I be suctioning? can you be suctioning? can he be suctioning? can we be suctioning? can you be suctioning? can they be suctioning?
Perfect	V-ing perfect
can I have suctioned? can you have suctioned? can he have suctioned? can we have suctioned? can you have suctioned? can they have suctioned?	can I have been suctioning? can you have been suctioning? can he have been suctioning? can we have been suctioning? can you have been suctioning? can they have been suctioning?

Interro-negative form

Simple form	V-ing form
can I not suction? can you not suction? can he not suction? can we not suction? can you not suction? can they not suction?	can I not be suctioning? can you not be suctioning? can he not be suctioning? can we not be suctioning? can you not be suctioning? can they not be suctioning?
Perfect	V-ing perfect
can I not have suctioned? can you not have suctioned? can he not have suctioned? can we not have suctioned? can you not have suctioned? can they not have suctioned?	can I not have been suctioning? can you not have been suctioning? can he not have been suctioning? can we not have been suctioning? can you not have been suctioning? can they not have been suctioning?