I can featheredge you can featheredge he can featheredge we can featheredge you can featheredge they can featheredge
V-ing form
I can be featheredging you can be featheredging he can be featheredging we can be featheredging you can be featheredging they can be featheredging
Perfect
I can have featheredged you can have featheredged he can have featheredged we can have featheredged you can have featheredged they can have featheredged
V-ing perfect
I can have been featheredging you can have been featheredging he can have been featheredging we can have been featheredging you can have been featheredging they can have been featheredging
Negation
Simple form
I cannot featheredge you cannot featheredge he cannot featheredge we cannot featheredge you cannot featheredge they cannot featheredge
V-ing form
I cannot be featheredging you cannot be featheredging he cannot be featheredging we cannot be featheredging you cannot be featheredging they cannot be featheredging
Perfect
I cannot have featheredged you cannot have featheredged he cannot have featheredged we cannot have featheredged you cannot have featheredged they cannot have featheredged
V-ing perfect
I cannot have been featheredging you cannot have been featheredging he cannot have been featheredging we cannot have been featheredging you cannot have been featheredging they cannot have been featheredging
Interrogative form
Simple form
can I featheredge? can you featheredge? can he featheredge? can we featheredge? can you featheredge? can they featheredge?
V-ing form
can I be featheredging? can you be featheredging? can he be featheredging? can we be featheredging? can you be featheredging? can they be featheredging?
Perfect
can I have featheredged? can you have featheredged? can he have featheredged? can we have featheredged? can you have featheredged? can they have featheredged?
V-ing perfect
can I have been featheredging? can you have been featheredging? can he have been featheredging? can we have been featheredging? can you have been featheredging? can they have been featheredging?
Interro-negative form
Simple form
can I not featheredge? can you not featheredge? can he not featheredge? can we not featheredge? can you not featheredge? can they not featheredge?
V-ing form
can I not be featheredging? can you not be featheredging? can he not be featheredging? can we not be featheredging? can you not be featheredging? can they not be featheredging?
Perfect
can I not have featheredged? can you not have featheredged? can he not have featheredged? can we not have featheredged? can you not have featheredged? can they not have featheredged?
V-ing perfect
can I not have been featheredging? can you not have been featheredging? can he not have been featheredging? can we not have been featheredging? can you not have been featheredging? can they not have been featheredging?