Unit 6 Do you like bananas Section A Grammar Focus-3c课件 2023-2024学年人教版英语七年级上册

Unit 6 Do you like bananas? Section A Grammar Focus-3c -What's this? -It's an apple. -What are they? -They are apples. -What's this? -It's a banana. -What are they? -They are bananas. -What's this? -It's a pear. -What are they? -They are pears. -What's this? -It's an orange. -What are they? -They are oranges. -What's this? -It's a strawberry. -What are they? -They are strawberries. -What's this? -It's a tomato. -What are they? -They are tomatoes. -What's this? -It's a hamburger. -What are they? -They are hamburgers. -What's this? -It's bread. -What's this? -It's milk. -What's this? -It's rice. countable nouns 可数名词(c.n.) uncountable nouns 不可数名词(u.n.) 可数名词和不可数名词 可数名词 可以计数的名词称为可数名词。 一般有______与______两种形式，前面可加__________来修饰。 不可数名词 不可计数的名词称为不可数名词。 ______复数形式, 前面______用不定冠词a, an, 也______直接加数词,但可以跟某些____________搭配, 表示数量。 如: a glass of water, two cups of tea. 单数 复数 a,an或数词 没有 不能 不能 量词短语 可数名词单数变复数的规则 1. 直接+s eg. student- apple- tree- pear- students apples trees pears 2. 以s,x,sh,ch结尾的名词+es eg. class- classes box- boxes dish(餐具)- dishes watch- watches 可数名词单数变复数的规则 3. 以o结尾的名词 有生命的或能吃的+es,无生命不能吃的+s eg. tomato- tomatoes potato- potatoes photo- photos piano- pianos 4. 以辅音字母加y结尾的名词 改y为i，再+es eg. strawberry- strawberries city- cities 可数名词复数的读音规则 可数名词单数 可数名词复数 map book boy bag orange box tomato photo strawberry maps books boys bags oranges boxes tomatoes photos strawberries 一般情况下，在词尾加-s。-s在清辅音后读/s/。 一般情况下，在词尾加-s。-s在浊辅音后读/z/。 -s在/s/, /z/, /tʃ/, /dʒ/等后读/ɪz/。 以s, x, ch, sh结尾的词， 加-es, 读作/ɪz/。 以-o结尾， 有生命的在词尾加-es，无生命的在词尾加-s，读作/z/。 辅音字母+y结尾的，变y为i再加-es，-ies读作/ɪz/。 1.sister __________ 2. friend __________ 3. parent _________ 4. family ____________ 5.box___________ 6. bush__________ 7.tomato___________ 8. woman___________ 9.potato_________ 10.life_________ 11.thief_______