B2 use of auxiliaries

This is a listening podcast for B2 level students of English. In today's episode, I'm going to talk about more advanced uses of auxiliaries in English such as 'do' and 'did'. They're not only used for making questions and negatives but have several other important uses too. Listen and find out! You can read the audio script with answers to the questions I ask at Practising English podcast 108... Here is a link to a Pdf extract from my new book: "B1 English Vocabulary Builder" so you can see h...