I can switchback you can switchback she can switchback we can switchback you can switchback they can switchback
V-ing form
I can be switchbacking you can be switchbacking she can be switchbacking we can be switchbacking you can be switchbacking they can be switchbacking
Perfect
I can have switchbacked you can have switchbacked she can have switchbacked we can have switchbacked you can have switchbacked they can have switchbacked
V-ing perfect
I can have been switchbacking you can have been switchbacking she can have been switchbacking we can have been switchbacking you can have been switchbacking they can have been switchbacking
Negation
Simple form
I cannot switchback you cannot switchback she cannot switchback we cannot switchback you cannot switchback they cannot switchback
V-ing form
I cannot be switchbacking you cannot be switchbacking she cannot be switchbacking we cannot be switchbacking you cannot be switchbacking they cannot be switchbacking
Perfect
I cannot have switchbacked you cannot have switchbacked she cannot have switchbacked we cannot have switchbacked you cannot have switchbacked they cannot have switchbacked
V-ing perfect
I cannot have been switchbacking you cannot have been switchbacking she cannot have been switchbacking we cannot have been switchbacking you cannot have been switchbacking they cannot have been switchbacking
Interrogative form
Simple form
can I switchback? can you switchback? can she switchback? can we switchback? can you switchback? can they switchback?
V-ing form
can I be switchbacking? can you be switchbacking? can she be switchbacking? can we be switchbacking? can you be switchbacking? can they be switchbacking?
Perfect
can I have switchbacked? can you have switchbacked? can she have switchbacked? can we have switchbacked? can you have switchbacked? can they have switchbacked?
V-ing perfect
can I have been switchbacking? can you have been switchbacking? can she have been switchbacking? can we have been switchbacking? can you have been switchbacking? can they have been switchbacking?
Interro-negative form
Simple form
can I not switchback? can you not switchback? can she not switchback? can we not switchback? can you not switchback? can they not switchback?
V-ing form
can I not be switchbacking? can you not be switchbacking? can she not be switchbacking? can we not be switchbacking? can you not be switchbacking? can they not be switchbacking?
Perfect
can I not have switchbacked? can you not have switchbacked? can she not have switchbacked? can we not have switchbacked? can you not have switchbacked? can they not have switchbacked?
V-ing perfect
can I not have been switchbacking? can you not have been switchbacking? can she not have been switchbacking? can we not have been switchbacking? can you not have been switchbacking? can they not have been switchbacking?