tailieunhanh - Understanding and using english grammar 17

Often the activity is of a general nature; something generally in progress this week, this month, this year. Note (l):The sentence means that writing a book is a general activity Susan is engaged in at present, but it does not mean that at the moment of speaking she is sitting at her desk with pen in hand. | CONTENTS 7-1 Regular and irregular plural nouns 7-8 General guidelines for article usage 7-2 Possessive nouns 7-9 Expressions of quantity 7-3 Using nouns as modifiers 7-10 Using a few and few a little and 7-4 Count and noncount nouns little 7-5 Noncount nouns 7-11 Using of in expressions of quantity 7-6 Some common noncount nouns 7-12 All of and both of 7-7 Basic article usage 7-13 Singular expressions of quantity one each every EXERCISE 1. Preview plural nouns. Directions Write the plural form of the following nouns. 1. child 12. leaf 2. zero 13. self 3. mouse 14. echo 4. monkey 15. photo 5. industry 16. analysis 6. woman 17. hypothesis 7. fox 18. curriculum 8. goose 19. phenomenon 9. sheep 20. stimulus 10. series 21. offspring 11. belief 22. bacterium 99 7-1 REGULAR AND IRREGULAR PLURAL NOUNS a song-songs The plural of most nouns is formed by adding final -s b box-boxes Final -es is added to nouns that end in -sh -ch -s -z and -x c baby-babies The plural of words that end in a consonant -y is spelled -ies d man-men woman -women child-children ox-oxen foot-feet goose-geese tooth-teeth mouse-mice louse-lice The nouns in d have irregular plural forms that do not end in -s. e echo-echoes hero-heroes potato -po tatoes tomato-tomatoes Some nouns that end in -o add -es to form the plural. f auto-autos ghetto-ghettos kangaroo-kangaroos kilo-kilos memo-memos photo-photos studio-studios piano-pianos tatoo-tatoos radio-radios video-videos solo-solos zoo-zoos soprano -sopranos Some nouns that end in -o add only -s to form the plural. g memento mementoes mementos mosquito-mosquitoes mosquitos tornado - tornadoes tornados volcano-volcanoes volcanos zero -zeroes zeros Some nouns that end in -o add either -es or -s to form the plural with -es being the more usual plural form . h calf calves half-halves knife-knives leaf-leaves life-lives loaf-loaves self-selves shelf-shelves thief-thieves wolf-wolves scarf-scarves scarfs Some nouns that end in - or -fe are changed