I can traverse you can traverse she can traverse we can traverse you can traverse they can traverse
V-ing form
I can be traversing you can be traversing she can be traversing we can be traversing you can be traversing they can be traversing
Perfect
I can have traversed you can have traversed she can have traversed we can have traversed you can have traversed they can have traversed
V-ing perfect
I can have been traversing you can have been traversing she can have been traversing we can have been traversing you can have been traversing they can have been traversing
Negation
Simple form
I cannot traverse you cannot traverse she cannot traverse we cannot traverse you cannot traverse they cannot traverse
V-ing form
I cannot be traversing you cannot be traversing she cannot be traversing we cannot be traversing you cannot be traversing they cannot be traversing
Perfect
I cannot have traversed you cannot have traversed she cannot have traversed we cannot have traversed you cannot have traversed they cannot have traversed
V-ing perfect
I cannot have been traversing you cannot have been traversing she cannot have been traversing we cannot have been traversing you cannot have been traversing they cannot have been traversing
Interrogative form
Simple form
can I traverse? can you traverse? can she traverse? can we traverse? can you traverse? can they traverse?
V-ing form
can I be traversing? can you be traversing? can she be traversing? can we be traversing? can you be traversing? can they be traversing?
Perfect
can I have traversed? can you have traversed? can she have traversed? can we have traversed? can you have traversed? can they have traversed?
V-ing perfect
can I have been traversing? can you have been traversing? can she have been traversing? can we have been traversing? can you have been traversing? can they have been traversing?
Interro-negative form
Simple form
can I not traverse? can you not traverse? can she not traverse? can we not traverse? can you not traverse? can they not traverse?
V-ing form
can I not be traversing? can you not be traversing? can she not be traversing? can we not be traversing? can you not be traversing? can they not be traversing?
Perfect
can I not have traversed? can you not have traversed? can she not have traversed? can we not have traversed? can you not have traversed? can they not have traversed?
V-ing perfect
can I not have been traversing? can you not have been traversing? can she not have been traversing? can we not have been traversing? can you not have been traversing? can they not have been traversing?