I can wade you can wade he can wade we can wade you can wade they can wade
V-ing form
I can be wading you can be wading he can be wading we can be wading you can be wading they can be wading
Perfect
I can have waded you can have waded he can have waded we can have waded you can have waded they can have waded
V-ing perfect
I can have been wading you can have been wading he can have been wading we can have been wading you can have been wading they can have been wading
Negation
Simple form
I cannot wade you cannot wade he cannot wade we cannot wade you cannot wade they cannot wade
V-ing form
I cannot be wading you cannot be wading he cannot be wading we cannot be wading you cannot be wading they cannot be wading
Perfect
I cannot have waded you cannot have waded he cannot have waded we cannot have waded you cannot have waded they cannot have waded
V-ing perfect
I cannot have been wading you cannot have been wading he cannot have been wading we cannot have been wading you cannot have been wading they cannot have been wading
Interrogative form
Simple form
can I wade? can you wade? can he wade? can we wade? can you wade? can they wade?
V-ing form
can I be wading? can you be wading? can he be wading? can we be wading? can you be wading? can they be wading?
Perfect
can I have waded? can you have waded? can he have waded? can we have waded? can you have waded? can they have waded?
V-ing perfect
can I have been wading? can you have been wading? can he have been wading? can we have been wading? can you have been wading? can they have been wading?
Interro-negative form
Simple form
can I not wade? can you not wade? can he not wade? can we not wade? can you not wade? can they not wade?
V-ing form
can I not be wading? can you not be wading? can he not be wading? can we not be wading? can you not be wading? can they not be wading?
Perfect
can I not have waded? can you not have waded? can he not have waded? can we not have waded? can you not have waded? can they not have waded?
V-ing perfect
can I not have been wading? can you not have been wading? can he not have been wading? can we not have been wading? can you not have been wading? can they not have been wading?