has became or has become

Can anyone tell me where we have to use "has" and where we have to use "have"? I am confused. Can anyone explain me in a simple way? It's helpful here to undo the subject-verb inversion that makes this sentence a question and turn it into a statement: Trump's political views has changed on Israel's war in Gaza. [incorrect] or Trump's political views have changed on Israel's war in Gaza. [correct] The subject is views and the verb is has/have changed. Has always goes with a singular subject, and have with a plural one. Since ... Today my friend asked me if you can use "has" instead of "have" here. I'm not sure how to explain the grammar simply. ⑤"Since there is no other food on the table, and each of them have small plat... I have read a similar question here but that one talks about the usage of has/have with reference to "anyone". Here, I wish to ask a question of the form: Does anyone has/have a black pen? What ... auxiliary verbs - Does anyone "has" or "have" - English Language ...

grammar - Difference between "is come" and "has come" - English ... Could you please tell me the difference between "has" vs "has been". For example: 1) the idea has deleted vs.: 2) the idea has been deleted What is the difference between these two?