The phrase ‘so is’ often appears in conversations to affirm or compare qualities between subjects. Many wonder, ‘so is it true’ when they hear claims that sound too good to be true. So is it true that such expressions are widely used in American English? The answer is yes, especially in informal contexts. People use ‘so is’ to link ideas or affirm statements, while asking ‘so is it true’ to seek validation or clarification. It’s common in daily dialogues like, ‘He is smart, and so is his brother,’ or, ‘Is that story accurate? So is it true?’ Understanding these phrases helps in better grasping conversational nuances. So is it true that mastering these expressions can improve communication? Many learners find that practicing these phrases can make speech more natural. So is it true that their frequent use indicates familiarity with casual language? Absolutely. Recognizing and using ‘so is’ and ‘so is it true’ can make your English sound more fluent and relatable in the US.