The phrase 'เมื่อไรที่ (mʉ̂a rai thîi)' in Thai language is used to indicate 'whenever' or 'anytime when'. It is used to refer to a time or occasion that is not specified exactly. It is generally placed at the beginning of clauses and is very versatile as it can be applied in varying contexts and with diverse verb forms. It gives a sense of flexibility concerning the timing or situation of an action, event or circumstance