English verb conjugation
CAN POOL

Regular verb: pool - pooled - pooled

Affirmation

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

Negation

Simple form	V-ing form
I cannot pool you cannot pool he cannot pool we cannot pool you cannot pool they cannot pool	I cannot be pooling you cannot be pooling he cannot be pooling we cannot be pooling you cannot be pooling they cannot be pooling
Perfect	V-ing perfect
I cannot have pooled you cannot have pooled he cannot have pooled we cannot have pooled you cannot have pooled they cannot have pooled	I cannot have been pooling you cannot have been pooling he cannot have been pooling we cannot have been pooling you cannot have been pooling they cannot have been pooling

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not pool? can you not pool? can he not pool? can we not pool? can you not pool? can they not pool?	can I not be pooling? can you not be pooling? can he not be pooling? can we not be pooling? can you not be pooling? can they not be pooling?
Perfect	V-ing perfect
can I not have pooled? can you not have pooled? can he not have pooled? can we not have pooled? can you not have pooled? can they not have pooled?	can I not have been pooling? can you not have been pooling? can he not have been pooling? can we not have been pooling? can you not have been pooling? can they not have been pooling?