English verb conjugation
COULD POOL

Regular verb: pool - pooled - pooled

Affirmation

Simple form	V-ing form
I could pool you could pool she could pool we could pool you could pool they could pool	I could be pooling you could be pooling she could be pooling we could be pooling you could be pooling they could be pooling
Perfect	V-ing perfect
I could have pooled you could have pooled she could have pooled we could have pooled you could have pooled they could have pooled	I could have been pooling you could have been pooling she could have been pooling we could have been pooling you could have been pooling they could have been pooling

Negation

Simple form	V-ing form
I couldn't pool you couldn't pool she couldn't pool we couldn't pool you couldn't pool they couldn't pool	I couldn't be pooling you couldn't be pooling she couldn't be pooling we couldn't be pooling you couldn't be pooling they couldn't be pooling
Perfect	V-ing perfect
I couldn't have pooled you couldn't have pooled she couldn't have pooled we couldn't have pooled you couldn't have pooled they couldn't have pooled	I couldn't have been pooling you couldn't have been pooling she couldn't have been pooling we couldn't have been pooling you couldn't have been pooling they couldn't have been pooling

Interrogative form

Simple form	V-ing form
could I pool? could you pool? could she pool? could we pool? could you pool? could they pool?	could I be pooling? could you be pooling? could she be pooling? could we be pooling? could you be pooling? could they be pooling?
Perfect	V-ing perfect
could I have pooled? could you have pooled? could she have pooled? could we have pooled? could you have pooled? could they have pooled?	could I have been pooling? could you have been pooling? could she have been pooling? could we have been pooling? could you have been pooling? could they have been pooling?

Interro-negative form

Simple form	V-ing form
couldn't I pool? couldn't you pool? couldn't she pool? couldn't we pool? couldn't you pool? couldn't they pool?	couldn't I be pooling? couldn't you be pooling? couldn't she be pooling? couldn't we be pooling? couldn't you be pooling? couldn't they be pooling?
Perfect	V-ing perfect
couldn't I have pooled? couldn't you have pooled? couldn't she have pooled? couldn't we have pooled? couldn't you have pooled? couldn't they have pooled?	couldn't I have been pooling? couldn't you have been pooling? couldn't she have been pooling? couldn't we have been pooling? couldn't you have been pooling? couldn't they have been pooling?