Regular verb: administer - administered - administered
Affirmation
Simple form
I can administer you can administer she can administer we can administer you can administer they can administer
V-ing form
I can be administering you can be administering she can be administering we can be administering you can be administering they can be administering
Perfect
I can have administered you can have administered she can have administered we can have administered you can have administered they can have administered
V-ing perfect
I can have been administering you can have been administering she can have been administering we can have been administering you can have been administering they can have been administering
Negation
Simple form
I can't administer you can't administer she can't administer we can't administer you can't administer they can't administer
V-ing form
I can't be administering you can't be administering she can't be administering we can't be administering you can't be administering they can't be administering
Perfect
I can't have administered you can't have administered she can't have administered we can't have administered you can't have administered they can't have administered
V-ing perfect
I can't have been administering you can't have been administering she can't have been administering we can't have been administering you can't have been administering they can't have been administering
Interrogative form
Simple form
can I administer? can you administer? can she administer? can we administer? can you administer? can they administer?
V-ing form
can I be administering? can you be administering? can she be administering? can we be administering? can you be administering? can they be administering?
Perfect
can I have administered? can you have administered? can she have administered? can we have administered? can you have administered? can they have administered?
V-ing perfect
can I have been administering? can you have been administering? can she have been administering? can we have been administering? can you have been administering? can they have been administering?
Interro-negative form
Simple form
can't I administer? can't you administer? can't she administer? can't we administer? can't you administer? can't they administer?
V-ing form
can't I be administering? can't you be administering? can't she be administering? can't we be administering? can't you be administering? can't they be administering?
Perfect
can't I have administered? can't you have administered? can't she have administered? can't we have administered? can't you have administered? can't they have administered?
V-ing perfect
can't I have been administering? can't you have been administering? can't she have been administering? can't we have been administering? can't you have been administering? can't they have been administering?