Like, hate, enjoy, love, remember, prefer, start, continue, keep, begin, stop.
Gerund (verb+ing) when it is something you often do (or just stopped doing).
I love working in the pet shop. I've been working there for years. (often)
I loved working in the pet shop. It was great when it lasted. (you stopped, but you did it often in the past.
Infinitive when it's a general statement:
I love to work in a pet shop. (not something you are doing, more a general statement)