I can deforest you can deforest he can deforest we can deforest you can deforest they can deforest
V-ing form
I can be deforesting you can be deforesting he can be deforesting we can be deforesting you can be deforesting they can be deforesting
Perfect
I can have deforested you can have deforested he can have deforested we can have deforested you can have deforested they can have deforested
V-ing perfect
I can have been deforesting you can have been deforesting he can have been deforesting we can have been deforesting you can have been deforesting they can have been deforesting
Negation
Simple form
I can't deforest you can't deforest he can't deforest we can't deforest you can't deforest they can't deforest
V-ing form
I can't be deforesting you can't be deforesting he can't be deforesting we can't be deforesting you can't be deforesting they can't be deforesting
Perfect
I can't have deforested you can't have deforested he can't have deforested we can't have deforested you can't have deforested they can't have deforested
V-ing perfect
I can't have been deforesting you can't have been deforesting he can't have been deforesting we can't have been deforesting you can't have been deforesting they can't have been deforesting
Interrogative form
Simple form
can I deforest? can you deforest? can he deforest? can we deforest? can you deforest? can they deforest?
V-ing form
can I be deforesting? can you be deforesting? can he be deforesting? can we be deforesting? can you be deforesting? can they be deforesting?
Perfect
can I have deforested? can you have deforested? can he have deforested? can we have deforested? can you have deforested? can they have deforested?
V-ing perfect
can I have been deforesting? can you have been deforesting? can he have been deforesting? can we have been deforesting? can you have been deforesting? can they have been deforesting?
Interro-negative form
Simple form
can't I deforest? can't you deforest? can't he deforest? can't we deforest? can't you deforest? can't they deforest?
V-ing form
can't I be deforesting? can't you be deforesting? can't he be deforesting? can't we be deforesting? can't you be deforesting? can't they be deforesting?
Perfect
can't I have deforested? can't you have deforested? can't he have deforested? can't we have deforested? can't you have deforested? can't they have deforested?
V-ing perfect
can't I have been deforesting? can't you have been deforesting? can't he have been deforesting? can't we have been deforesting? can't you have been deforesting? can't they have been deforesting?