Unit 3 Week 1 1. dirty 2. purse 3. birth 4. curl 5. curve 6. curb 7. person 8. shirt 9. worse 10. hurl 11. twirl 12. swirl 13. herb 14. turkey 15. turnip 16. purpose 17. blurred 18. sternly 19. serpent 20. pearl 21. hear 22. spare 23. lair 24. spurt 25. further At Home Activity: Rewrite each spelling word, leaving out –er, ir, or ur. Then have your child complete each word by adding the correct letters. Grammar: Action Verbs The present tense must have subject-verb agreement. Add –s to most verbs if the subject is singular. Do not add-s if the subject is plural or I or you.