Yes.
No the word hobby is a noun, you cannot 'hobby' something or someone egHe hobbied the cake.So it is not a verb. There is no verb form for hobby.
Hobby is a noun, i would assume you want to know about the word "programming" as that is a gerund.
I believe it is a gerund, try reading the sentence dropping the word computers: "His hobby is programming" Programming = subject complement of the verb is. At least that is what I got out of this page - http://www.chompchomp.com/terms/gerund.htm
infictive or an infinitive I think it's a gerund
You can find some verb worksheets for my students on amazon, ebay, and other sites like jcpenny, walmart, sears and sack and save and hobby lobby and mardel.
Yes, a verb can be a subject in a sentence. This structure is known as a gerund, where the verb functions as a noun in the sentence. For example, "Running is my favorite hobby." Here, "Running" is the subject of the sentence.
Eat is a verb.
No. Growing is either a verb transitive or a gerund. v. trans: He was growing tomatoes in his backyard. Gerund: Growing plants is a great hobby.
'Spelunk' is the hobby or practice of exploring caves. It can be used as a verb - 'spelunking'. One would use it in a sentence like 'He loves go spelunking'.
The word "hobby" like a hobby you have, for example "collecting sea glass is my hobby", the word hobby is a noun. Though in the phrase 'hobby horse' it serves as an adjective.
She collected bugs as a hobby. Her hobby was sewing.
hobby = el hobby or el pasatiempo