Common Mistakes : Bad
adjective
.BAD: I’m afraid I speak English very bad
.GOOD: I’m afraid I speak English very badly
:Bad is an adjective
.I tried to ignore the child’s bad behaviour
:Badly is an adverb
.The child behaved very badly indeed
.DUBIOUS: Of course, there are also bad things about living in a city
.GOOD: Of course, there are also disadvantages to living in a city
.DUBIOUS: It’s a bad thing that the population is increasing so quickly
.GOOD: It’s unfortunate that the population is increasing so quickly
.The phrase bad thing/s is generally over-used and often sounds unnatural