English verb conjugation
COULD PICKAXE

Regular verb: pickaxe - pickaxed - pickaxed

Affirmation

Simple form	V-ing form
I could pickaxe you could pickaxe she could pickaxe we could pickaxe you could pickaxe they could pickaxe	I could be pickaxing you could be pickaxing she could be pickaxing we could be pickaxing you could be pickaxing they could be pickaxing
Perfect	V-ing perfect
I could have pickaxed you could have pickaxed she could have pickaxed we could have pickaxed you could have pickaxed they could have pickaxed	I could have been pickaxing you could have been pickaxing she could have been pickaxing we could have been pickaxing you could have been pickaxing they could have been pickaxing

Negation

Simple form	V-ing form
I could not pickaxe you could not pickaxe she could not pickaxe we could not pickaxe you could not pickaxe they could not pickaxe	I could not be pickaxing you could not be pickaxing she could not be pickaxing we could not be pickaxing you could not be pickaxing they could not be pickaxing
Perfect	V-ing perfect
I could not have pickaxed you could not have pickaxed she could not have pickaxed we could not have pickaxed you could not have pickaxed they could not have pickaxed	I could not have been pickaxing you could not have been pickaxing she could not have been pickaxing we could not have been pickaxing you could not have been pickaxing they could not have been pickaxing

Interrogative form

Simple form	V-ing form
could I pickaxe? could you pickaxe? could she pickaxe? could we pickaxe? could you pickaxe? could they pickaxe?	could I be pickaxing? could you be pickaxing? could she be pickaxing? could we be pickaxing? could you be pickaxing? could they be pickaxing?
Perfect	V-ing perfect
could I have pickaxed? could you have pickaxed? could she have pickaxed? could we have pickaxed? could you have pickaxed? could they have pickaxed?	could I have been pickaxing? could you have been pickaxing? could she have been pickaxing? could we have been pickaxing? could you have been pickaxing? could they have been pickaxing?

Interro-negative form

Simple form	V-ing form
could I not pickaxe? could you not pickaxe? could she not pickaxe? could we not pickaxe? could you not pickaxe? could they not pickaxe?	could I not be pickaxing? could you not be pickaxing? could she not be pickaxing? could we not be pickaxing? could you not be pickaxing? could they not be pickaxing?
Perfect	V-ing perfect
could I not have pickaxed? could you not have pickaxed? could she not have pickaxed? could we not have pickaxed? could you not have pickaxed? could they not have pickaxed?	could I not have been pickaxing? could you not have been pickaxing? could she not have been pickaxing? could we not have been pickaxing? could you not have been pickaxing? could they not have been pickaxing?