I can package you can package he can package we can package you can package they can package
V-ing form
I can be packaging you can be packaging he can be packaging we can be packaging you can be packaging they can be packaging
Perfect
I can have packaged you can have packaged he can have packaged we can have packaged you can have packaged they can have packaged
V-ing perfect
I can have been packaging you can have been packaging he can have been packaging we can have been packaging you can have been packaging they can have been packaging
Negation
Simple form
I can't package you can't package he can't package we can't package you can't package they can't package
V-ing form
I can't be packaging you can't be packaging he can't be packaging we can't be packaging you can't be packaging they can't be packaging
Perfect
I can't have packaged you can't have packaged he can't have packaged we can't have packaged you can't have packaged they can't have packaged
V-ing perfect
I can't have been packaging you can't have been packaging he can't have been packaging we can't have been packaging you can't have been packaging they can't have been packaging
Interrogative form
Simple form
can I package? can you package? can he package? can we package? can you package? can they package?
V-ing form
can I be packaging? can you be packaging? can he be packaging? can we be packaging? can you be packaging? can they be packaging?
Perfect
can I have packaged? can you have packaged? can he have packaged? can we have packaged? can you have packaged? can they have packaged?
V-ing perfect
can I have been packaging? can you have been packaging? can he have been packaging? can we have been packaging? can you have been packaging? can they have been packaging?
Interro-negative form
Simple form
can't I package? can't you package? can't he package? can't we package? can't you package? can't they package?
V-ing form
can't I be packaging? can't you be packaging? can't he be packaging? can't we be packaging? can't you be packaging? can't they be packaging?
Perfect
can't I have packaged? can't you have packaged? can't he have packaged? can't we have packaged? can't you have packaged? can't they have packaged?
V-ing perfect
can't I have been packaging? can't you have been packaging? can't he have been packaging? can't we have been packaging? can't you have been packaging? can't they have been packaging?