The correct spelling of the phrase "ises necessary" is actually "it is necessary". The pronunciation of "it is" in IPA phonetic transcription is /ɪt ɪz/. This is important to remember when writing, as it is a common mistake to write "ises" instead of "is" for the contraction "it's". Incorrect spelling can cause confusion and detract from the clarity of your writing. It's is crucial to pay attention to such details to ensure that your written communication is effective and professional.