A neater approach to thinking about it is to rephrase it as; You'll be requiring two keys. It uses the auxiliary words will probably be and the present participle of the verb to require. She was not quite what you'll...
A neater approach to thinking about it is to rephrase it as; You'll be requiring two keys. It uses the auxiliary words will probably be and the present participle of the verb to require. She was not quite what you'll...