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Word formation exercises

prefixes 3

 
You IRRESPONSIBLY (RESPONSIBLE) left your dog in a hot car! Shame on you! Why didn’t you stop? It’s ILLEGAL (LEGAL) to go through a red light! You can buy a computer INEXPENSIVELY (EXPENSIVE) in the TechWorld sale. They want people to wear INFORMAL (FORMAL) dress to their wedding. Isn’t it strange? You eat rather UNHEALTHILY (HEALTH) ! Pizza, burgers and crisps aren’t good for you! It's very IMPOLITE (POLITE) to cough without covering your mouth. I’m so tired. My new bed is so UNCOMFORTABLE (COMFORT) that I couldn’t sleep. He's totally UNCONCERNED(CONCERN) about his test. He thinks he’ll sail through it. She's UNABLE (ABLE) to talk to you now. She’ll call you back.

My mistakes