English verb conjugation
COULD PERMEATE

Regular verb: permeate - permeated - permeated

Affirmation

Simple form	V-ing form
I could permeate you could permeate he could permeate we could permeate you could permeate they could permeate	I could be permeating you could be permeating he could be permeating we could be permeating you could be permeating they could be permeating
Perfect	V-ing perfect
I could have permeated you could have permeated he could have permeated we could have permeated you could have permeated they could have permeated	I could have been permeating you could have been permeating he could have been permeating we could have been permeating you could have been permeating they could have been permeating

Negation

Simple form	V-ing form
I couldn't permeate you couldn't permeate he couldn't permeate we couldn't permeate you couldn't permeate they couldn't permeate	I couldn't be permeating you couldn't be permeating he couldn't be permeating we couldn't be permeating you couldn't be permeating they couldn't be permeating
Perfect	V-ing perfect
I couldn't have permeated you couldn't have permeated he couldn't have permeated we couldn't have permeated you couldn't have permeated they couldn't have permeated	I couldn't have been permeating you couldn't have been permeating he couldn't have been permeating we couldn't have been permeating you couldn't have been permeating they couldn't have been permeating

Interrogative form

Simple form	V-ing form
could I permeate? could you permeate? could he permeate? could we permeate? could you permeate? could they permeate?	could I be permeating? could you be permeating? could he be permeating? could we be permeating? could you be permeating? could they be permeating?
Perfect	V-ing perfect
could I have permeated? could you have permeated? could he have permeated? could we have permeated? could you have permeated? could they have permeated?	could I have been permeating? could you have been permeating? could he have been permeating? could we have been permeating? could you have been permeating? could they have been permeating?

Interro-negative form

Simple form	V-ing form
couldn't I permeate? couldn't you permeate? couldn't he permeate? couldn't we permeate? couldn't you permeate? couldn't they permeate?	couldn't I be permeating? couldn't you be permeating? couldn't he be permeating? couldn't we be permeating? couldn't you be permeating? couldn't they be permeating?
Perfect	V-ing perfect
couldn't I have permeated? couldn't you have permeated? couldn't he have permeated? couldn't we have permeated? couldn't you have permeated? couldn't they have permeated?	couldn't I have been permeating? couldn't you have been permeating? couldn't he have been permeating? couldn't we have been permeating? couldn't you have been permeating? couldn't they have been permeating?