The correct spelling of "wert roommates with" is "were roommates with." This phrase is commonly used to describe a past living situation in which the speaker and another person shared a living space. The word "were" is pronounced as /wɜːr/, with the stress on the first syllable. The use of the past tense verb here is important to accurately convey the meaning of the sentence. Proper spelling is important in language to ensure clear communication and avoid confusion.