深圳英语7A Unit3&4期中复习法+知识点+练习

Unit 3思维导图 Unit 4思维导图 Weather Unit 3 Grammar How to differ countable nouns from uncountable nouns? 1 A countable and uncountable nouns How to make a countable noun plural? 单数 复数 备注 可数名词 a boy an egg boys eggs 单数形式前 需加不定冠词a或an，也可加one（表示数量1）， 且有复数形式 不可数名词 air music rice 只有单数形式， 前面无需加不定冠词 Countable and Uncountable Nouns book→books, apple→apples, bag→bags class→classes, box→boxes, peach→peaches, dish→dishes city→cities, candy→candies, baby→babies, cherry→cherries toy---toys potato→potatoes, tomato→tomatoes, hero→heroes self→selves, life→lives, leaf→leaves, photo→photos， 可数名词变复数的变化规律 1. 一般情况+s 2. 以 s, x, ch, sh 结尾，+es 3. 辅音字母+y, 改y为 i ,+es 5. 以 o 结尾, 以下单词+es，其他+s 6. 以f/fe 结尾 , 改 v+es 4. 元音字母+y, 直接+s 不规则变化 man→men, woman→women, policeman→policemen foot→feet, goose→geese, tooth→teeth mouse→mice，child→children fish, deer, sheep, Chinese, Japanese 可数名词变复数的变化规律 1. 改 a 为 e 2. 改oo为 ee 4. 单复数同形 3. 其他 Let’s do some exercises! 说出下列名词的复数形式 1．规则变化： minute ______ self ______ classmate______ mirror ______ glass ______ cup______ family ______ match ______ wife ______ park ______ factory ______ potato ______ thief ______ photo ______ baby ______ watch ______ hero ______ key ______ party ______ knife ______ brush ______ leaf ______ piano ______ mouth ______ box ______ life ______ minutes selves classmates mirrors glasses cups families matches wives parks factories potatoes thieves photos babies watches keys knives brushes leaves pianos mouths boxes lives heroes parties 2. 不规则变化： goose ______ man ______ woman ______ Chinese________ sheep ______ child ______ foot ______ tooth ______ deer ______ Englishman_________ geese men women Chinese sheep children feet deer teeth Englishmen Fill in the blanks. 1. How many （sheep）are there on the hill? 2. There is some （food）i