CHAPTER 10 Techniques to Improve Spelling^239
Add es to words ending in -s, -sh, -ch, and -x.
boss bosses
crush crushes
church churches
sex sexes
Change y to i, and add es in words that end in -y preceded by a consonant.
fl y fl ies
story stories
Written Practice 10-7
Choose the correctly spelled word to complete each sentence.
- It seems that our children always need new (shos/shoes).
- At least once a year, a car (crashs/crashes) into that telephone pole.
- My son loves to play with (trains/traines).
- Who are the (heros/heroes) in that story?
- How many (stories/story’s) have you read?
RULE 10: MORE RULES FOR FORMING PLURALS
Words ending in -ful form their plurals by adding sto the end of the word.
mouthfuls spoonfuls
A compound word forms its plural by adding s to the main word.
mother-in-law mothers-in-law
court-martial courts-martial
Numbers and letters form plurals by adding ’s.
7 7’s
mm’s
Some words keep the same spelling for singular and plural forms.