He ‘was’ sticky. Every verb has a past, present and future tense form; ‘licked’, ‘licking’ and ‘will lick’. Oh hey! No don’t you even think about…. When you are writing ...

English recognises 3 times (past, present and future) and 3 aspects (simple ... is formed with some version of have plus the past participle. E.g. He has eaten. We had left the hotel.