Hi there, I'm Harry from www.englishlessonviaskype.com and welcome to my English learning podcast where I help you improve your English speaking, listening, pronunciation and grammar.In this podcast episode, you'll learn fixed English expressions with ON. On principle, on duty, on condition that... Formal and informal expressions with the preposition ON with meanings and examples.Upgrade your vocabulary to an advanced level and start speaking like a native English speaker.https://www.englishlessonviaskype.com/easy-peasy-english-club - Learn advanced English with me. Improve English from intermediate to advanced in my advanced English learning course.https://www.englishlessonviaskype.com/online-learning-courses/ - quality online English courses to help you improve your English speaking skills, grammar and get your English confidence. From only €7.99Support the show (https://www.buymeacoffee.com/englishlessons)