See my answer to the duplicate regarding this not actually being a gerund, but the present participle. The short answer is that it is possible to use both, but the infinitive is far more natural, whereas using a gerund after want has an air of "business-speak" or "managementese" I would personally try to avoid. May 24, 2019 at 0:19. @Karen927 I wouldn't think at least in this case of "volunteer" there is any strict rule on whether to use "gerund" or "infinitive" but I just only think "volunteer" can take either, though the meaning is more natural when "infinitive" is used as "volunteer" seems to sound semantically identical to "want" in the context I teach that for + gerund is used to describe function/use only when the thing described is the subject of the sentence. OP's post has a person as the subject so, as you point out, to + infinitive, etc. is correct. The other drive is (used) for storing the File History drive. – At the basic level you will need to start out just by distinguishing the difference and doing this while keeping your language pretty simple. Here’s an example that has been quite successful. The most confusing part in choosing either a gerund or an infinitive is that they have similar jobs and perform many of the same functions. They both: .

need to infinitive or gerund