Spelling
6.1 Nouns, verbs and adjectives can have the following endings:
noun + ~s/es (plural): books ideas matches
verb + ~s/~es (after he/she/it): works enjoys washes
verb + ~ing: working enjoying washing
verb + ~ed: worked enjoyed washed
adjective + ~er (comparative): cheaper quicker brighter
adjective + ~est (superlative): cheapest quickest brightest
adjective + ~ly (adverb): cheaply quickly brightly
When we use these endings, there are sometimes changes in spelling. These changes are listed below.
6.2 Nouns and verbs + ~s/~es
The ending is ~es when the word ends in ~s/~ss/~sh/~ch/~x:
match/matches, wash/washes, bus/buses, miss/misses, box/boxes, search/searches
Note also:
potato/potatoes, do/does, tomato/tomatoes, go/goes
6.3 Words ending in ~y (baby, carry, easy etc.)
If a word ends in a consonant + y (~by/~ry/~sy/~vy etc.):
y changes to ie before the ending ~s:
baby/babies lorry/lorries hurry/hurries study/studies country/countries apply/applies secretary/secretaries try/tries
y changes to i before the ending ~ed:
hurry/hurried study/studied apply/applied try/tried
y changes to i before the endings ~er and -est:
easy/easier/easiest heavy/heavier/heaviest lucky/luckier/luckiest
y changes to i before the ending ~ly:
easy/easily heavy/heavily temporary/temporarily
y does not change before ~ing:
hurrying, studying, applying, trying
y does not change if the word ends in a vowel + y (~ay/~ey/~oy/~uy):
play/plays/played enjoy/enjoys/enjoyed buy/buys, monkey/monkeys
An exception is: day/daily
Note also: pay/paid, lay/laid, say/said
6.4 Verbs ending in ~ie (die, lie, tie)
If a verb ends in ~ie, ie changes to y before the ending ~ing: die/dying lie/lying tie/tying
@p281