I can convey you can convey he can convey we can convey you can convey they can convey
V-ing form
I can be conveying you can be conveying he can be conveying we can be conveying you can be conveying they can be conveying
Perfect
I can have conveyed you can have conveyed he can have conveyed we can have conveyed you can have conveyed they can have conveyed
V-ing perfect
I can have been conveying you can have been conveying he can have been conveying we can have been conveying you can have been conveying they can have been conveying
Negation
Simple form
I can't convey you can't convey he can't convey we can't convey you can't convey they can't convey
V-ing form
I can't be conveying you can't be conveying he can't be conveying we can't be conveying you can't be conveying they can't be conveying
Perfect
I can't have conveyed you can't have conveyed he can't have conveyed we can't have conveyed you can't have conveyed they can't have conveyed
V-ing perfect
I can't have been conveying you can't have been conveying he can't have been conveying we can't have been conveying you can't have been conveying they can't have been conveying
Interrogative form
Simple form
can I convey? can you convey? can he convey? can we convey? can you convey? can they convey?
V-ing form
can I be conveying? can you be conveying? can he be conveying? can we be conveying? can you be conveying? can they be conveying?
Perfect
can I have conveyed? can you have conveyed? can he have conveyed? can we have conveyed? can you have conveyed? can they have conveyed?
V-ing perfect
can I have been conveying? can you have been conveying? can he have been conveying? can we have been conveying? can you have been conveying? can they have been conveying?
Interro-negative form
Simple form
can't I convey? can't you convey? can't he convey? can't we convey? can't you convey? can't they convey?
V-ing form
can't I be conveying? can't you be conveying? can't he be conveying? can't we be conveying? can't you be conveying? can't they be conveying?
Perfect
can't I have conveyed? can't you have conveyed? can't he have conveyed? can't we have conveyed? can't you have conveyed? can't they have conveyed?
V-ing perfect
can't I have been conveying? can't you have been conveying? can't he have been conveying? can't we have been conveying? can't you have been conveying? can't they have been conveying?