I can reforest you can reforest he can reforest we can reforest you can reforest they can reforest
V-ing form
I can be reforesting you can be reforesting he can be reforesting we can be reforesting you can be reforesting they can be reforesting
Perfect
I can have reforested you can have reforested he can have reforested we can have reforested you can have reforested they can have reforested
V-ing perfect
I can have been reforesting you can have been reforesting he can have been reforesting we can have been reforesting you can have been reforesting they can have been reforesting
Negation
Simple form
I can't reforest you can't reforest he can't reforest we can't reforest you can't reforest they can't reforest
V-ing form
I can't be reforesting you can't be reforesting he can't be reforesting we can't be reforesting you can't be reforesting they can't be reforesting
Perfect
I can't have reforested you can't have reforested he can't have reforested we can't have reforested you can't have reforested they can't have reforested
V-ing perfect
I can't have been reforesting you can't have been reforesting he can't have been reforesting we can't have been reforesting you can't have been reforesting they can't have been reforesting
Interrogative form
Simple form
can I reforest? can you reforest? can he reforest? can we reforest? can you reforest? can they reforest?
V-ing form
can I be reforesting? can you be reforesting? can he be reforesting? can we be reforesting? can you be reforesting? can they be reforesting?
Perfect
can I have reforested? can you have reforested? can he have reforested? can we have reforested? can you have reforested? can they have reforested?
V-ing perfect
can I have been reforesting? can you have been reforesting? can he have been reforesting? can we have been reforesting? can you have been reforesting? can they have been reforesting?
Interro-negative form
Simple form
can't I reforest? can't you reforest? can't he reforest? can't we reforest? can't you reforest? can't they reforest?
V-ing form
can't I be reforesting? can't you be reforesting? can't he be reforesting? can't we be reforesting? can't you be reforesting? can't they be reforesting?
Perfect
can't I have reforested? can't you have reforested? can't he have reforested? can't we have reforested? can't you have reforested? can't they have reforested?
V-ing perfect
can't I have been reforesting? can't you have been reforesting? can't he have been reforesting? can't we have been reforesting? can't you have been reforesting? can't they have been reforesting?