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Gold experience B2 U5 Use of English
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visible (add the negative prefix)
invisible
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polite (add the negative prefix)
impolite
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encourage (make a noun)
encouragement
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assist (make a noun)
assistance
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responsible (add the negative prefix)
irresponsible
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behave (make a noun)
behaviour
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approve (add the negative prefix)
disapprove
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expectedly (add the negative prefix)
unexpectedly
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exhaust (make a noun)
exhaustion
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familiar (add the negative prefix)
unfamiliar
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logical (add the negative prefix)
illogical
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amuse (make a noun)
amusement
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discover (make a noun)
discovery
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verbal (add the negative prefix)
nonverbal
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perform (make a noun)
performance
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sense (add the negative prefix)
nonsense
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honest (add the negative prefix)
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legally (add the negative prefix)
illegally
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behave (add the negative prefix)
misbehave
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understand (add the negative prefix)
misunderstand
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expensive (add the negative prefix)
inexpensive
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appear (make a noun)
appearance
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relevant (add the negative prefix)
irrelevant
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moral (add the negative prefix)
immoral
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apply
application
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