I can route you can route he can route we can route you can route they can route
V-ing form
I can be routing you can be routing he can be routing we can be routing you can be routing they can be routing
Perfect
I can have routed you can have routed he can have routed we can have routed you can have routed they can have routed
V-ing perfect
I can have been routing you can have been routing he can have been routing we can have been routing you can have been routing they can have been routing
Negation
Simple form
I can't route you can't route he can't route we can't route you can't route they can't route
V-ing form
I can't be routing you can't be routing he can't be routing we can't be routing you can't be routing they can't be routing
Perfect
I can't have routed you can't have routed he can't have routed we can't have routed you can't have routed they can't have routed
V-ing perfect
I can't have been routing you can't have been routing he can't have been routing we can't have been routing you can't have been routing they can't have been routing
Interrogative form
Simple form
can I route? can you route? can he route? can we route? can you route? can they route?
V-ing form
can I be routing? can you be routing? can he be routing? can we be routing? can you be routing? can they be routing?
Perfect
can I have routed? can you have routed? can he have routed? can we have routed? can you have routed? can they have routed?
V-ing perfect
can I have been routing? can you have been routing? can he have been routing? can we have been routing? can you have been routing? can they have been routing?
Interro-negative form
Simple form
can't I route? can't you route? can't he route? can't we route? can't you route? can't they route?
V-ing form
can't I be routing? can't you be routing? can't he be routing? can't we be routing? can't you be routing? can't they be routing?
Perfect
can't I have routed? can't you have routed? can't he have routed? can't we have routed? can't you have routed? can't they have routed?
V-ing perfect
can't I have been routing? can't you have been routing? can't he have been routing? can't we have been routing? can't you have been routing? can't they have been routing?