8 Add the prefixes un-, in-, il-, ir- and im- to these words to make negative adjectives. Complete the sentences with the adjectives. There are two extra words. correct formal happy legal possible regular visible 1 Designers have invented clothes that can make you . If you wear them, no one can see you! 2 I must memorise my list of verbs for tomorrow's test. 3 Lots of people download films but they forget that it's You can get into trouble with the police. 4 He says he can speak 25 languages but I don't believe him. That's ! 5 I was a little with my marks in the exam because I know I can do better.​