五年级英语暑假班讲义-第四讲：名词复数和动词三单-全国通用

第四讲 名词复数和动词三单 一、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. x. sh. 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，如：knife-knives 5．不规则名词复数： man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice child-children foot-feet,. tooth-teeth fish-fish, people-people, Chinese-Chinese, Japanese-Japanese 练习： 写出下列各词的复数。 I _________ him _________ this _______ her ______ watch _______ book___ ____child _______ photo ________ diary ______ day________ foot________ dress ________ tooth_______ butterfly ______ box_______ library _____ knife _______ peach______ sandwich ______ man______ woman_______ tooth_______ people________ 二．动词三单的变化规则 1．一般情况下，直接加-s，如：cook-cooks, milk-milks 2．以s. x. sh. ch. o结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes 3．以“辅音字母+y”结尾，变y为i, 再加-es，如：study-studies 练习: 一、