Can I get some help on the use of "since when" in the beginning of the sentences?
"Since when" is always the beginning of an ironic question. I think any other use is incorrect.
Since when has sun started to rise in the west?
Perfect except you need to say THE sun.
Since when did sun start rising in the west?
Equally perfect except you need to say THE sun.
Since when has sun started rising in the west?
I saw this sentence on an IMDB forum and I am pasting it to know if it is used correctly or not too.
"since when has love had anything to do with looking like a super model"
It is still the usual ironic question, and a good one too in light of the American cult of celebrity.
Since when there has been sunlight at night? Or Since when there's sunlight at night? Or Since when has there been sunlight at night?
Since when has there been ... As usual in English, the interrogative requires an inversion of the verb form.
Student or Learner