I can afforest you can afforest she can afforest we can afforest you can afforest they can afforest
V-ing form
I can be afforesting you can be afforesting she can be afforesting we can be afforesting you can be afforesting they can be afforesting
Perfect
I can have afforested you can have afforested she can have afforested we can have afforested you can have afforested they can have afforested
V-ing perfect
I can have been afforesting you can have been afforesting she can have been afforesting we can have been afforesting you can have been afforesting they can have been afforesting
Negation
Simple form
I can't afforest you can't afforest she can't afforest we can't afforest you can't afforest they can't afforest
V-ing form
I can't be afforesting you can't be afforesting she can't be afforesting we can't be afforesting you can't be afforesting they can't be afforesting
Perfect
I can't have afforested you can't have afforested she can't have afforested we can't have afforested you can't have afforested they can't have afforested
V-ing perfect
I can't have been afforesting you can't have been afforesting she can't have been afforesting we can't have been afforesting you can't have been afforesting they can't have been afforesting
Interrogative form
Simple form
can I afforest? can you afforest? can she afforest? can we afforest? can you afforest? can they afforest?
V-ing form
can I be afforesting? can you be afforesting? can she be afforesting? can we be afforesting? can you be afforesting? can they be afforesting?
Perfect
can I have afforested? can you have afforested? can she have afforested? can we have afforested? can you have afforested? can they have afforested?
V-ing perfect
can I have been afforesting? can you have been afforesting? can she have been afforesting? can we have been afforesting? can you have been afforesting? can they have been afforesting?
Interro-negative form
Simple form
can't I afforest? can't you afforest? can't she afforest? can't we afforest? can't you afforest? can't they afforest?
V-ing form
can't I be afforesting? can't you be afforesting? can't she be afforesting? can't we be afforesting? can't you be afforesting? can't they be afforesting?
Perfect
can't I have afforested? can't you have afforested? can't she have afforested? can't we have afforested? can't you have afforested? can't they have afforested?
V-ing perfect
can't I have been afforesting? can't you have been afforesting? can't she have been afforesting? can't we have been afforesting? can't you have been afforesting? can't they have been afforesting?