I can link you can link she can link we can link you can link they can link
V-ing form
I can be linking you can be linking she can be linking we can be linking you can be linking they can be linking
Perfect
I can have linked you can have linked she can have linked we can have linked you can have linked they can have linked
V-ing perfect
I can have been linking you can have been linking she can have been linking we can have been linking you can have been linking they can have been linking
Negation
Simple form
I can't link you can't link she can't link we can't link you can't link they can't link
V-ing form
I can't be linking you can't be linking she can't be linking we can't be linking you can't be linking they can't be linking
Perfect
I can't have linked you can't have linked she can't have linked we can't have linked you can't have linked they can't have linked
V-ing perfect
I can't have been linking you can't have been linking she can't have been linking we can't have been linking you can't have been linking they can't have been linking
Interrogative form
Simple form
can I link? can you link? can she link? can we link? can you link? can they link?
V-ing form
can I be linking? can you be linking? can she be linking? can we be linking? can you be linking? can they be linking?
Perfect
can I have linked? can you have linked? can she have linked? can we have linked? can you have linked? can they have linked?
V-ing perfect
can I have been linking? can you have been linking? can she have been linking? can we have been linking? can you have been linking? can they have been linking?
Interro-negative form
Simple form
can't I link? can't you link? can't she link? can't we link? can't you link? can't they link?
V-ing form
can't I be linking? can't you be linking? can't she be linking? can't we be linking? can't you be linking? can't they be linking?
Perfect
can't I have linked? can't you have linked? can't she have linked? can't we have linked? can't you have linked? can't they have linked?
V-ing perfect
can't I have been linking? can't you have been linking? can't she have been linking? can't we have been linking? can't you have been linking? can't they have been linking?