I can elongate you can elongate he can elongate we can elongate you can elongate they can elongate
V-ing form
I can be elongating you can be elongating he can be elongating we can be elongating you can be elongating they can be elongating
Perfect
I can have elongated you can have elongated he can have elongated we can have elongated you can have elongated they can have elongated
V-ing perfect
I can have been elongating you can have been elongating he can have been elongating we can have been elongating you can have been elongating they can have been elongating
Negation
Simple form
I cannot elongate you cannot elongate he cannot elongate we cannot elongate you cannot elongate they cannot elongate
V-ing form
I cannot be elongating you cannot be elongating he cannot be elongating we cannot be elongating you cannot be elongating they cannot be elongating
Perfect
I cannot have elongated you cannot have elongated he cannot have elongated we cannot have elongated you cannot have elongated they cannot have elongated
V-ing perfect
I cannot have been elongating you cannot have been elongating he cannot have been elongating we cannot have been elongating you cannot have been elongating they cannot have been elongating
Interrogative form
Simple form
can I elongate? can you elongate? can he elongate? can we elongate? can you elongate? can they elongate?
V-ing form
can I be elongating? can you be elongating? can he be elongating? can we be elongating? can you be elongating? can they be elongating?
Perfect
can I have elongated? can you have elongated? can he have elongated? can we have elongated? can you have elongated? can they have elongated?
V-ing perfect
can I have been elongating? can you have been elongating? can he have been elongating? can we have been elongating? can you have been elongating? can they have been elongating?
Interro-negative form
Simple form
can I not elongate? can you not elongate? can he not elongate? can we not elongate? can you not elongate? can they not elongate?
V-ing form
can I not be elongating? can you not be elongating? can he not be elongating? can we not be elongating? can you not be elongating? can they not be elongating?
Perfect
can I not have elongated? can you not have elongated? can he not have elongated? can we not have elongated? can you not have elongated? can they not have elongated?
V-ing perfect
can I not have been elongating? can you not have been elongating? can he not have been elongating? can we not have been elongating? can you not have been elongating? can they not have been elongating?