I can shill you can shill he can shill we can shill you can shill they can shill
V-ing form
I can be shilling you can be shilling he can be shilling we can be shilling you can be shilling they can be shilling
Perfect
I can have shilled you can have shilled he can have shilled we can have shilled you can have shilled they can have shilled
V-ing perfect
I can have been shilling you can have been shilling he can have been shilling we can have been shilling you can have been shilling they can have been shilling
Negation
Simple form
I can't shill you can't shill he can't shill we can't shill you can't shill they can't shill
V-ing form
I can't be shilling you can't be shilling he can't be shilling we can't be shilling you can't be shilling they can't be shilling
Perfect
I can't have shilled you can't have shilled he can't have shilled we can't have shilled you can't have shilled they can't have shilled
V-ing perfect
I can't have been shilling you can't have been shilling he can't have been shilling we can't have been shilling you can't have been shilling they can't have been shilling
Interrogative form
Simple form
can I shill? can you shill? can he shill? can we shill? can you shill? can they shill?
V-ing form
can I be shilling? can you be shilling? can he be shilling? can we be shilling? can you be shilling? can they be shilling?
Perfect
can I have shilled? can you have shilled? can he have shilled? can we have shilled? can you have shilled? can they have shilled?
V-ing perfect
can I have been shilling? can you have been shilling? can he have been shilling? can we have been shilling? can you have been shilling? can they have been shilling?
Interro-negative form
Simple form
can't I shill? can't you shill? can't he shill? can't we shill? can't you shill? can't they shill?
V-ing form
can't I be shilling? can't you be shilling? can't he be shilling? can't we be shilling? can't you be shilling? can't they be shilling?
Perfect
can't I have shilled? can't you have shilled? can't he have shilled? can't we have shilled? can't you have shilled? can't they have shilled?
V-ing perfect
can't I have been shilling? can't you have been shilling? can't he have been shilling? can't we have been shilling? can't you have been shilling? can't they have been shilling?