I can flight you can flight he can flight we can flight you can flight they can flight
V-ing form
I can be flighting you can be flighting he can be flighting we can be flighting you can be flighting they can be flighting
Perfect
I can have flighted you can have flighted he can have flighted we can have flighted you can have flighted they can have flighted
V-ing perfect
I can have been flighting you can have been flighting he can have been flighting we can have been flighting you can have been flighting they can have been flighting
Negation
Simple form
I can't flight you can't flight he can't flight we can't flight you can't flight they can't flight
V-ing form
I can't be flighting you can't be flighting he can't be flighting we can't be flighting you can't be flighting they can't be flighting
Perfect
I can't have flighted you can't have flighted he can't have flighted we can't have flighted you can't have flighted they can't have flighted
V-ing perfect
I can't have been flighting you can't have been flighting he can't have been flighting we can't have been flighting you can't have been flighting they can't have been flighting
Interrogative form
Simple form
can I flight? can you flight? can he flight? can we flight? can you flight? can they flight?
V-ing form
can I be flighting? can you be flighting? can he be flighting? can we be flighting? can you be flighting? can they be flighting?
Perfect
can I have flighted? can you have flighted? can he have flighted? can we have flighted? can you have flighted? can they have flighted?
V-ing perfect
can I have been flighting? can you have been flighting? can he have been flighting? can we have been flighting? can you have been flighting? can they have been flighting?
Interro-negative form
Simple form
can't I flight? can't you flight? can't he flight? can't we flight? can't you flight? can't they flight?
V-ing form
can't I be flighting? can't you be flighting? can't he be flighting? can't we be flighting? can't you be flighting? can't they be flighting?
Perfect
can't I have flighted? can't you have flighted? can't he have flighted? can't we have flighted? can't you have flighted? can't they have flighted?
V-ing perfect
can't I have been flighting? can't you have been flighting? can't he have been flighting? can't we have been flighting? can't you have been flighting? can't they have been flighting?