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 cannot pickaxe you cannot pickaxe he cannot pickaxe we cannot pickaxe you cannot pickaxe they cannot pickaxe	I cannot be pickaxing you cannot be pickaxing he cannot be pickaxing we cannot be pickaxing you cannot be pickaxing they cannot be pickaxing
Perfect	V-ing perfect
I cannot have pickaxed you cannot have pickaxed he cannot have pickaxed we cannot have pickaxed you cannot have pickaxed they cannot have pickaxed	I cannot have been pickaxing you cannot have been pickaxing he cannot have been pickaxing we cannot have been pickaxing you cannot have been pickaxing they cannot 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 I not pickaxe? can you not pickaxe? can he not pickaxe? can we not pickaxe? can you not pickaxe? can they not pickaxe?	can I not be pickaxing? can you not be pickaxing? can he not be pickaxing? can we not be pickaxing? can you not be pickaxing? can they not be pickaxing?
Perfect	V-ing perfect
can I not have pickaxed? can you not have pickaxed? can he not have pickaxed? can we not have pickaxed? can you not have pickaxed? can they not have pickaxed?	can I not have been pickaxing? can you not have been pickaxing? can he not have been pickaxing? can we not have been pickaxing? can you not have been pickaxing? can they not have been pickaxing?