Study the table. form opposite adjectives. check in your dictionary. use them in sentences of your own. (we use un-, il-, im-, in-, ir-, to form opposite adjectives.) 1 logical 2 responsible; 3 believable; 4possible; 5 active; 6 balanced ; 7 forgettable. !

1. logical - illogical: Her speech was so illogical
2. responsible - irresponsible: I've never thought he's such an irresponsible person
3. believable - unbelievable: The pain was inbelievable 
4. possible - impossible: It's impossible to sleep when you are surrounded by noise
5. active - inactive: Being inactive is not so good for your health
6. balanced - unbalanced: He became unbalanced after his dog died
7. forgettable - unforgettable: My wedding was an unforgettable occasion