by Sage Pearce-Higgins Mon Aug 21, 2017 6:37 pm
Yes, all correct sentences have a subject and a verb, but they need more than that to be correct! The subject and verb have to be connected in a logical way, so that it's clear who is doing what.
"The car was here earlier is now gone." is not a correct sentence as we have two verbs ('was' and 'is'). We need some conjunction, or subordinate clause construction to make it work.
Aside from the specifics of this question, it looks like you're getting too much into the rules and not reflecting on the way that you use English naturally, which I'm sure is pretty good.