English verb conjugation
COULD PICKAXE

Regular verb: pickaxe - pickaxed - pickaxed

Affirmation

Simple form	V-ing form
I could pickaxe you could pickaxe he could pickaxe we could pickaxe you could pickaxe they could pickaxe	I could be pickaxing you could be pickaxing he 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 he 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 he 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 couldn't pickaxe you couldn't pickaxe he couldn't pickaxe we couldn't pickaxe you couldn't pickaxe they couldn't pickaxe	I couldn't be pickaxing you couldn't be pickaxing he couldn't be pickaxing we couldn't be pickaxing you couldn't be pickaxing they couldn't be pickaxing
Perfect	V-ing perfect
I couldn't have pickaxed you couldn't have pickaxed he couldn't have pickaxed we couldn't have pickaxed you couldn't have pickaxed they couldn't have pickaxed	I couldn't have been pickaxing you couldn't have been pickaxing he couldn't have been pickaxing we couldn't have been pickaxing you couldn't have been pickaxing they couldn't have been pickaxing

Interrogative form

Simple form	V-ing form
could I pickaxe? could you pickaxe? could he pickaxe? could we pickaxe? could you pickaxe? could they pickaxe?	could I be pickaxing? could you be pickaxing? could he 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 he 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 he 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
couldn't I pickaxe? couldn't you pickaxe? couldn't he pickaxe? couldn't we pickaxe? couldn't you pickaxe? couldn't they pickaxe?	couldn't I be pickaxing? couldn't you be pickaxing? couldn't he be pickaxing? couldn't we be pickaxing? couldn't you be pickaxing? couldn't they be pickaxing?
Perfect	V-ing perfect
couldn't I have pickaxed? couldn't you have pickaxed? couldn't he have pickaxed? couldn't we have pickaxed? couldn't you have pickaxed? couldn't they have pickaxed?	couldn't I have been pickaxing? couldn't you have been pickaxing? couldn't he have been pickaxing? couldn't we have been pickaxing? couldn't you have been pickaxing? couldn't they have been pickaxing?