A suffix is a letter or group of letters that goes on the end of a word and changes its meaning. Adding the suffix -ing to the end of a noun can change it into a verb. Narrator: I've told you, fur ...

'Can', 'could', 'be able to', 'manage to' Present tenses Present perfect continuous 'Like' for preference and description Adverbs of frequency 'Have to' and 'must' The past simple tense ...