Hi. I think we could use modal verbs with intransitive verbs, like "might have disappeared" (I think the word "disappeared" is an intransitive verb). Also, I don't think we could write "might have been disappeared." (I think this modal verb construction is in the passive). Would it be correct to say modal verbs in the passive are to be thought of as the same as the passive verbs like "is made" when we tries to apply the rule that says no passive form is used for intransitive verbs (I am not sure whether it is a rule or just a recommendation but I think it is how it is how I learned in school.)
To go further, would you say intransitive verbs should not be used in (for?) the likes of the form/construction below?
to have been disappeared
To go even further, would you say intransitive verbs should not be used in (for?) the likes of the form/construction below? I think the phrase below doesn't make sense but wish you get the sense of what I am trying to ask by it.
like being disappeared
I tried to ask the pretty much the same or similar question in the tread I started a few days ago named "For intransitive, non passive form?" but I didn't get any response/answer.