Lesson 91: SPELLING: -s FORM OF VERBS AND NOUNS

USUALLY

word + s

takes, girls

BUT

WORD + es IF THE WORD ENDS WITH

sh crashes, washes

ch teaches, watches

zz buzzes

ss guesses, passes

x boxes, fixes

and sometimes with o

does, goes, potatoes, tomatoes


IF WORD ENDS WITH CONSONANT + y (Lesson 90), y --> i + es

carry - carries

cry - cries

family - families

fly - flies

worry - worries

but note that VOWEL + y is regular:

say - says

day - days


IF WORD ENDS WITH fe, fe --> ve + s

knife - knives

life - lives

wife - wives


IF WORD ENDS WITH f

sometimes f --> v + es

half - halves

leaf - leaves

self - selves

shelf - shelves

thief - thieves

wolf - wolves

and sometimes it is regular:

belief - beliefs

chief - chiefs


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