Using auxiliary verbs and adverbs of frequency

This chapter explores the use of auxiliary verbs to express possibility and certainty, as well as the placement of the verb 'to be' before adverbs of frequency. It also covers the use of negative adverbs and includes a quiz for creating sentences with different auxiliaries and adverbs. Lastly, a pronunciation tip for the word 'often' is provided and the topic of adverbs of frequency is summarized.