Do Americans sometimes use present perfect with those words? Is it OK for me if I always use simple past with them? Do you sometimes use present perfect with them?
________
I have a car. I've got a car.
Do Americans also use these a lot in speech and writing? Can I use them whenever I want?
Adding 'got' to have/has sounds redundant at best, uneducated at worst. It's very common, however, even among educated folk. I think it's just a little sloppiness. Do not use in formal writing, but you can get away with it in spoken form.
Do Americans sometimes use present perfect with those words? Is it OK for me if I always use simple past with them? Do you sometimes use present perfect with them? Does the same apply for past perfect?