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Oxfore guide to english grammar part 56

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Tham khảo tài liệu 'oxfore guide to english grammar part 56', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | PAGE 379 294 Consonant y 294 Consonant y When a word ends in a consonant y the y changes to ie before s. study studies lorry lorries Before most other endings the y changes to i. study studied silly sillier lucky luckily happy happiness We do not change y after a vowel. day days buy buyer stay stayed But pay lay and say have irregular ed-forms paid laid Mv. h said sed Also day daily. NOTE a The possessive forms are singular noun apostrophe s and plural noun apostrophe. the lady s name the ladies names b A one-syllable word usually keepsy before ly shyly slyly dryly drily. c We do not changey when it is part ofa person s name Mr andMrs Grundy the Grundys. d We do not changeyin by stand-bys lay-bys. 2 We keep y before i. copy copying hurry hurrying NOTE We change ie to y before ing. die dying lie lying PAGE 380 38 Irregular noun plurals 295 Summary Most countable nouns have a regular plural in s or es. hands dates buses. For details of spelling and pronunciation 290. But some nouns have an irregular plural. Here are some examples. Vowel and consonant changes 296 man men wife wives Nouns which do not change in the plural 297 one two aircraft one two sheep Irregular plural endings. 298 children criteria stimuli 296 Vowel and consonant changes 1 Some plurals are formed by changing the vowel sound. foot feet goose geese man men tooth teeth mouse mice woman women wimm NOTE a We also use men and women in words like Frenchmen sportswomen. b The plural people is more usual and less formal than persons. Several people were waiting for the lift. A maximum of six persons may occupy this lift. A people is a large group such as a nation. The Celts were a tall fair-skinned people. One day the peoples of this world will live in peace. 2 With some nouns we changef to v and add es s. loaf loaves thief thieves life lives Also calves halves knives leaves shelves wives wolves NOTE Some other nouns in f fe are regular chiefs beliefs cliffs roofs safes. A few have alternative forms e.g. .