English verb conjugation
CAN TERRAFORM

Regular verb: terraform - terraformed - terraformed

Affirmation

Simple form	V-ing form
I can terraform you can terraform he can terraform we can terraform you can terraform they can terraform	I can be terraforming you can be terraforming he can be terraforming we can be terraforming you can be terraforming they can be terraforming
Perfect	V-ing perfect
I can have terraformed you can have terraformed he can have terraformed we can have terraformed you can have terraformed they can have terraformed	I can have been terraforming you can have been terraforming he can have been terraforming we can have been terraforming you can have been terraforming they can have been terraforming

Negation

Simple form	V-ing form
I cannot terraform you cannot terraform he cannot terraform we cannot terraform you cannot terraform they cannot terraform	I cannot be terraforming you cannot be terraforming he cannot be terraforming we cannot be terraforming you cannot be terraforming they cannot be terraforming
Perfect	V-ing perfect
I cannot have terraformed you cannot have terraformed he cannot have terraformed we cannot have terraformed you cannot have terraformed they cannot have terraformed	I cannot have been terraforming you cannot have been terraforming he cannot have been terraforming we cannot have been terraforming you cannot have been terraforming they cannot have been terraforming

Interrogative form

Simple form	V-ing form
can I terraform? can you terraform? can he terraform? can we terraform? can you terraform? can they terraform?	can I be terraforming? can you be terraforming? can he be terraforming? can we be terraforming? can you be terraforming? can they be terraforming?
Perfect	V-ing perfect
can I have terraformed? can you have terraformed? can he have terraformed? can we have terraformed? can you have terraformed? can they have terraformed?	can I have been terraforming? can you have been terraforming? can he have been terraforming? can we have been terraforming? can you have been terraforming? can they have been terraforming?

Interro-negative form

Simple form	V-ing form
can I not terraform? can you not terraform? can he not terraform? can we not terraform? can you not terraform? can they not terraform?	can I not be terraforming? can you not be terraforming? can he not be terraforming? can we not be terraforming? can you not be terraforming? can they not be terraforming?
Perfect	V-ing perfect
can I not have terraformed? can you not have terraformed? can he not have terraformed? can we not have terraformed? can you not have terraformed? can they not have terraformed?	can I not have been terraforming? can you not have been terraforming? can he not have been terraforming? can we not have been terraforming? can you not have been terraforming? can they not have been terraforming?