Tham khảo tài liệu 'mastering machanics 4', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 98 Part II Mastering Mechanics_ N car show s animals . The first is a singular possessive and the second is plural. O geese s. The word geese is irregular. In an irregular plural an apostrophe and the letter s are added. P fish s. The word fish is irregular and unusual the singular and plural form are the same. To create a possessive add an apostrophe and the letter s. Q weeks . To create a plural possessive add an apostrophe after the letter s. R animals . This regular plural ends with the letter s. To show possession add an apostrophe. S months . This regular plural needs only an apostrophe after the s to become possessive. T cook s. When one cook becomes possessive he hogs all the desserts. Oops. That s life not grammar. Just add an apostrophe and the letter s. Things to Do This Week 46 47 49 i 51 A. Call John s doctor and arrange for a release of annual medical report. rr B. Check on last spring s blood pressure numbers to see whether they __T need to be changed. C. Ask John about his rodent problem fe. D. Find out why networks can t broadcast Tuesday s speech live as John -----------------------------T needs prime-time publicity. E. Ask whether his fondness for long speeches is a problem. F. Send big present to network president and remind him that you are 48 50 52 53 54 56 58 60 both Yale 06. __T G. Order bouquet s for secretary and National Secretaries Week card. H. Rewrite speech on cat litter to reflect sister-in-law s ideas. I. Tell opposing manager s assistant that you guys wouldn t stand a 55 I 57 59 chance in the old day s. U The doctor belongs to John in a manner of speaking so the apostrophe is needed to show possession. V This time expression needs an apostrophe and an s. W A simple plural not possessive not a numeral and so on takes no apostrophe. Chapter 7 One Small Mark a Whole New Meaning Apostrophes X Y Y Z 1 2 3 4 5 6 7 8 In this .