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 can't suction you can't suction he can't suction we can't suction you can't suction they can't suction	I can't be suctioning you can't be suctioning he can't be suctioning we can't be suctioning you can't be suctioning they can't be suctioning
Perfect	V-ing perfect
I can't have suctioned you can't have suctioned he can't have suctioned we can't have suctioned you can't have suctioned they can't have suctioned	I can't have been suctioning you can't have been suctioning he can't have been suctioning we can't have been suctioning you can't have been suctioning they can't 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't I suction? can't you suction? can't he suction? can't we suction? can't you suction? can't they suction?	can't I be suctioning? can't you be suctioning? can't he be suctioning? can't we be suctioning? can't you be suctioning? can't they be suctioning?
Perfect	V-ing perfect
can't I have suctioned? can't you have suctioned? can't he have suctioned? can't we have suctioned? can't you have suctioned? can't they have suctioned?	can't I have been suctioning? can't you have been suctioning? can't he have been suctioning? can't we have been suctioning? can't you have been suctioning? can't they have been suctioning?