Notes On Adverbs + Suffix - CBSE Class 7 English Grammar
In most cases, an adverb is formed by adding -ly to an adjective
Adjective Adverb
cheap cheaply
quick quickly
slow slowly
 
 
If the adjective ends in -y, replace the y with i and add -ly
Adjective Adverb
easy easily
angry angrily
happy happily
lucky luckily
 
 
 
 
 
If the adjective ends in -able-ible, or -le, replace the -e with -y.
Adjective Adverb
probable probably
terrible terribly
gentle gently
I
 
 
f the adjective ends in -ic, add -ally. Exception: public -> publicly
Adjective Adverb
basic basically
tragic tragically
economic economically
 

Summary

In most cases, an adverb is formed by adding -ly to an adjective
Adjective Adverb
cheap cheaply
quick quickly
slow slowly
 
 
If the adjective ends in -y, replace the y with i and add -ly
Adjective Adverb
easy easily
angry angrily
happy happily
lucky luckily
 
 
 
 
 
If the adjective ends in -able-ible, or -le, replace the -e with -y.
Adjective Adverb
probable probably
terrible terribly
gentle gently
I
 
 
f the adjective ends in -ic, add -ally. Exception: public -> publicly
Adjective Adverb
basic basically
tragic tragically
economic economically
 
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