小学英语(人教版PEP 版)语法要点及习题1 名词复数规则1.一般情况下,直接加 -s ,如: book-books, bag-bags, cat-cats, bed-beds 2.以 s
ch 结尾,加 -es ,如: bus-buses, box-boxes, brush-brushes, watch-watches 3. 以“辅音字母 +y”结尾,变y 为 i, 再加 -es ,如: family-families, strawberry-strawberries 4.以“ f 或 fe ”结尾,变 f 或 fe 为 v, 再加 -es ,(但有一个特例: roof →roofs )
如 :knife-knives leaf-leaves wife-wives thief-thieves wolf-wolves5.以“o”结尾的单词,如果有生命,加-es ;如果没有生命,加 -s
如:①有生命: potato-potatoes tomato-tomatoes mango-mangoeshero-heroes Negro- Negroes②没生命: radio-radios piano-pianos photo-photos zoo-zoos 6.不规则名词的复数变化:(一)完全不规则:man-men woman-women policeman-policemen policewoman-policewomen mouse-mice child-children foot-feet tooth-teeth (二)单数复数词形相同:fish-fish sheep-sheep deer-deerpeople-people Chinese-Chinese Japanese-Japanese 小练习:写出下列各词的复数I _________him ______