The following are answers to Unit 2 exercises on prefixes:
Focus A
Focus B
Practice
Extension
Focus A
- True - Untrue
- Loyal - Disloyal
- Movable - Immovable
- Secure - Insecure
- Honour - Dishonour
- Pure - Impure
- Well - Unwell
- Mobile - Immobile
- Approve - Disapprove
- Logical - Ilogical
- Agree - Disagree
- Active - Inactive
Focus B
- Did you disobey the rules?
- Will you unlock the door?
- What you want to do is impossible?
Practice
- to begin again - recommence
- to think that something is not true - disbelieve
- not able to do something - incapable
- not able to be seen - invisible
- to put words on paper again - rewrite
Extension
- inter: internet, interval, interpersonal
- bi: bicycle, biped, binoculars
- pro: proactive
- pre: prepare, prepaid
- mono: monorail
- sub: subway, submarine
- post: postpaid, postprandial
- auto: automatic, automobile
- al: always, already, almost
- re: redo, repeat, reheat
- ex: extension, extend, external
- trans: transport, transplant, transatlantic