人教版七年级英语上册unit6(教育精品).ppt

strawberriesbananasapplesorangespearspineappleswatermelonspeachesgrapesfruits 此时指此时指各种各样各种各样的水果的水果tomatoespotatoescarrotscabbagesvegetables 通常用通常用复数复数指各种蔬菜不可数名词不可数名词不可数名词不可数名词hamburgersburgers既可作可数名词也可作既可作可数名词也可作不可数名词不可数名词不可数名词不可数名词cakeschocolateseggs既可作可数名词也可作既可作可数名词也可作不可数名词不可数名词做做鸡肉鸡肉讲是讲是不可数名词不可数名词做做鸡鸡讲时是讲时是可数名词可数名词不可数名词不可数名词noodlesdumplings既可作可数名词也既可作可数名词也可作不可数名词可作不可数名词foods指各种食物指各种食物a hamburgera hamburgerfour hamburgersan orangethree oranges a tomato five tomatoestwo strawberries a strawberry可数名词和不可数名词可数名词和不可数名词可数名词可数名词（1）（2）（3）（4）定义：是定义：是可以可以计数计数的名词。的名词。可数名词前可数名词前可以可以用用 a,an 限定限定,表一个表一个.。可数名词前可数名词前可以可以用用 one,two,three 限定限定。可数名词可数名词有有复数形式复数形式。可数名词复数形式的构成可数名词复数形式的构成 名词特点词尾加法词尾读音方法词尾读音方法例词例词一般情况下一般情况下 加加-s1.-s在清辅音后读在清辅音后读s2.-s在浊辅音后读在浊辅音后读z3.-s在元音后读在元音后读z4.以音素以音素 s,z,结尾的，结尾的，读读izdesksapplestreesoranges以以-s,-x,-sh,-ch 结结尾的尾的加加-es-es读读izboxeswatches以以 f 或或 fe 结尾的结尾的改改f或或fe为为v 再加再加-es-ves读读vz kniveswives可数名词复数形式的构成可数名词复数形式的构成 2名词特点词尾加法词尾读音方法词尾读音方法例词例词 改改y为为i 再再加加-es-ies读读iz familiesdictionaries 以元音字母以元音字母加加y结尾的结尾的 加加-s-s读读zboyskeys以以o 结尾的结尾的有生命的事有生命的事物加物加-es-es读读ztomatoespotatoes 以辅音字母以辅音字母加加y结尾的结尾的无生命的事无生命的事物加物加-s-s读读zphotos radiosmilkteameat wateruncountable nouns可数名词和不可数名词可数名词和不可数名词不可数名词不可数名词（1）（2）（3）（4）定义：是指定义：是指不能不能计数计数的名词。的名词。不可数名词前不可数名词前不可以不可以用用 a,an 限定限定。不可数名词前不可数名词前不可以不可以用用 one,two,three 限定限定。不可数名词不可数名词没有没有复数形式复数形式。chicken ice cream saladCountable and uncountable nouns既可数又不可数名词既可数又不可数名词定义：在某些情况下定义：在某些情况下能能计数计数，在某些情，在某些情况下况下不能不能计数计数的名词。的名词。e.g.（1）a chicken 一只鸡一只鸡 chicken 鸡肉鸡肉 （2）an ice cream 一个冰淇淋一个冰淇淋 ice cream 冰淇淋（指成份）冰淇淋（指成份）（3）a salad 一碟沙拉一碟沙拉 salad 沙拉（指成份）沙拉（指成份）P33 3a I like fruit,but(dont/doesnt)like vegetables.She(like/likes)bread,but she(doesnt/dont)like salad.He(like/likes)bananas,but he(dont/doesnt)like oranges.We(like/likes)hamburgers,but we dont(like/likes)chicken.They(like/likes)pears,but they(dont/doesnt)like strawberries.Do you like bananas?Yes,I do.No,I dont.I like apples.Do you like ice cream?Yes,I do.PracticeNo,I dont.I like milk.Do they like rice?Yes,they do.No,they dont.They like noodles.Does he like pears?Yes,he does.No,he doesnt.He likes oranges.she Lily my sister his brotherDoes Lily like oranges?No,I dont.I like apples.PracticeYes,I do.I like hamburgers.I dont like hamburgers.Do you like hamburgers?Yes,I do.No,I dont.What do you like?We like eggs.We dont like eggs.Do you like eggs?Yes,we do.No,we dont.What do you like?He likes tomatoes.He doesnt like tomatoes.Does he like tomatoes?Yes,he does.No,he doesnt.What does he like?P32 2dJack:Hey,Johns birthday dinner is next week.Lets think about the food.Tom:Sure.How about burgers,vegetable salad,and some fruit?Bill:Sounds good.John likes hamburgers.Jack:Oh,I dont like salad.Bill:But John likes salad,and its his birthday.Jack:Yes,youre right.What about the fruit?Tom:I think John likes strawberries and apples.Bill:OK.Lets have strawberries and apples then.