Finn and Catherine talk about words with opposite meanings.
Is responsibility the key to happiness? Learn how to use the suffixes -ity and -ness.
What are they and how do we use them to express our attitudes and ideas? Find out here.
Find out how certain words have suffixes that turn verbs and adjectives into nouns.
Learn how to use pronouns with 'some', 'no', 'any' and 'every'.
Neil and Finn's top tips for dealing with specialist vocabulary