I can stride you can stride he can stride we can stride you can stride they can stride
V-ing form
I can be striding you can be striding he can be striding we can be striding you can be striding they can be striding
Perfect
I can have stridden you can have stridden he can have stridden we can have stridden you can have stridden they can have stridden
V-ing perfect
I can have been striding you can have been striding he can have been striding we can have been striding you can have been striding they can have been striding
Negation
Simple form
I cannot stride you cannot stride he cannot stride we cannot stride you cannot stride they cannot stride
V-ing form
I cannot be striding you cannot be striding he cannot be striding we cannot be striding you cannot be striding they cannot be striding
Perfect
I cannot have stridden you cannot have stridden he cannot have stridden we cannot have stridden you cannot have stridden they cannot have stridden
V-ing perfect
I cannot have been striding you cannot have been striding he cannot have been striding we cannot have been striding you cannot have been striding they cannot have been striding
Interrogative form
Simple form
can I stride? can you stride? can he stride? can we stride? can you stride? can they stride?
V-ing form
can I be striding? can you be striding? can he be striding? can we be striding? can you be striding? can they be striding?
Perfect
can I have stridden? can you have stridden? can he have stridden? can we have stridden? can you have stridden? can they have stridden?
V-ing perfect
can I have been striding? can you have been striding? can he have been striding? can we have been striding? can you have been striding? can they have been striding?
Interro-negative form
Simple form
can I not stride? can you not stride? can he not stride? can we not stride? can you not stride? can they not stride?
V-ing form
can I not be striding? can you not be striding? can he not be striding? can we not be striding? can you not be striding? can they not be striding?
Perfect
can I not have stridden? can you not have stridden? can he not have stridden? can we not have stridden? can you not have stridden? can they not have stridden?
V-ing perfect
can I not have been striding? can you not have been striding? can he not have been striding? can we not have been striding? can you not have been striding? can they not have been striding?