I can convoy you can convoy he can convoy we can convoy you can convoy they can convoy
V-ing form
I can be convoying you can be convoying he can be convoying we can be convoying you can be convoying they can be convoying
Perfect
I can have convoyed you can have convoyed he can have convoyed we can have convoyed you can have convoyed they can have convoyed
V-ing perfect
I can have been convoying you can have been convoying he can have been convoying we can have been convoying you can have been convoying they can have been convoying
Negation
Simple form
I can't convoy you can't convoy he can't convoy we can't convoy you can't convoy they can't convoy
V-ing form
I can't be convoying you can't be convoying he can't be convoying we can't be convoying you can't be convoying they can't be convoying
Perfect
I can't have convoyed you can't have convoyed he can't have convoyed we can't have convoyed you can't have convoyed they can't have convoyed
V-ing perfect
I can't have been convoying you can't have been convoying he can't have been convoying we can't have been convoying you can't have been convoying they can't have been convoying
Interrogative form
Simple form
can I convoy? can you convoy? can he convoy? can we convoy? can you convoy? can they convoy?
V-ing form
can I be convoying? can you be convoying? can he be convoying? can we be convoying? can you be convoying? can they be convoying?
Perfect
can I have convoyed? can you have convoyed? can he have convoyed? can we have convoyed? can you have convoyed? can they have convoyed?
V-ing perfect
can I have been convoying? can you have been convoying? can he have been convoying? can we have been convoying? can you have been convoying? can they have been convoying?
Interro-negative form
Simple form
can't I convoy? can't you convoy? can't he convoy? can't we convoy? can't you convoy? can't they convoy?
V-ing form
can't I be convoying? can't you be convoying? can't he be convoying? can't we be convoying? can't you be convoying? can't they be convoying?
Perfect
can't I have convoyed? can't you have convoyed? can't he have convoyed? can't we have convoyed? can't you have convoyed? can't they have convoyed?
V-ing perfect
can't I have been convoying? can't you have been convoying? can't he have been convoying? can't we have been convoying? can't you have been convoying? can't they have been convoying?