I can employ you can employ he can employ we can employ you can employ they can employ
V-ing form
I can be employing you can be employing he can be employing we can be employing you can be employing they can be employing
Perfect
I can have employed you can have employed he can have employed we can have employed you can have employed they can have employed
V-ing perfect
I can have been employing you can have been employing he can have been employing we can have been employing you can have been employing they can have been employing
Negation
Simple form
I can't employ you can't employ he can't employ we can't employ you can't employ they can't employ
V-ing form
I can't be employing you can't be employing he can't be employing we can't be employing you can't be employing they can't be employing
Perfect
I can't have employed you can't have employed he can't have employed we can't have employed you can't have employed they can't have employed
V-ing perfect
I can't have been employing you can't have been employing he can't have been employing we can't have been employing you can't have been employing they can't have been employing
Interrogative form
Simple form
can I employ? can you employ? can he employ? can we employ? can you employ? can they employ?
V-ing form
can I be employing? can you be employing? can he be employing? can we be employing? can you be employing? can they be employing?
Perfect
can I have employed? can you have employed? can he have employed? can we have employed? can you have employed? can they have employed?
V-ing perfect
can I have been employing? can you have been employing? can he have been employing? can we have been employing? can you have been employing? can they have been employing?
Interro-negative form
Simple form
can't I employ? can't you employ? can't he employ? can't we employ? can't you employ? can't they employ?
V-ing form
can't I be employing? can't you be employing? can't he be employing? can't we be employing? can't you be employing? can't they be employing?
Perfect
can't I have employed? can't you have employed? can't he have employed? can't we have employed? can't you have employed? can't they have employed?
V-ing perfect
can't I have been employing? can't you have been employing? can't he have been employing? can't we have been employing? can't you have been employing? can't they have been employing?