English verb conjugation
CAN PICKAXE

Regular verb: pickaxe - pickaxed - pickaxed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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