English verb conjugation
COULD POLLEN

Regular verb: pollen - pollened - pollened

Affirmation

Simple form	V-ing form
I could pollen you could pollen he could pollen we could pollen you could pollen they could pollen	I could be pollening you could be pollening he could be pollening we could be pollening you could be pollening they could be pollening
Perfect	V-ing perfect
I could have pollened you could have pollened he could have pollened we could have pollened you could have pollened they could have pollened	I could have been pollening you could have been pollening he could have been pollening we could have been pollening you could have been pollening they could have been pollening

Negation

Simple form	V-ing form
I couldn't pollen you couldn't pollen he couldn't pollen we couldn't pollen you couldn't pollen they couldn't pollen	I couldn't be pollening you couldn't be pollening he couldn't be pollening we couldn't be pollening you couldn't be pollening they couldn't be pollening
Perfect	V-ing perfect
I couldn't have pollened you couldn't have pollened he couldn't have pollened we couldn't have pollened you couldn't have pollened they couldn't have pollened	I couldn't have been pollening you couldn't have been pollening he couldn't have been pollening we couldn't have been pollening you couldn't have been pollening they couldn't have been pollening

Interrogative form

Simple form	V-ing form
could I pollen? could you pollen? could he pollen? could we pollen? could you pollen? could they pollen?	could I be pollening? could you be pollening? could he be pollening? could we be pollening? could you be pollening? could they be pollening?
Perfect	V-ing perfect
could I have pollened? could you have pollened? could he have pollened? could we have pollened? could you have pollened? could they have pollened?	could I have been pollening? could you have been pollening? could he have been pollening? could we have been pollening? could you have been pollening? could they have been pollening?

Interro-negative form

Simple form	V-ing form
couldn't I pollen? couldn't you pollen? couldn't he pollen? couldn't we pollen? couldn't you pollen? couldn't they pollen?	couldn't I be pollening? couldn't you be pollening? couldn't he be pollening? couldn't we be pollening? couldn't you be pollening? couldn't they be pollening?
Perfect	V-ing perfect
couldn't I have pollened? couldn't you have pollened? couldn't he have pollened? couldn't we have pollened? couldn't you have pollened? couldn't they have pollened?	couldn't I have been pollening? couldn't you have been pollening? couldn't he have been pollening? couldn't we have been pollening? couldn't you have been pollening? couldn't they have been pollening?