(
课件网) No eating No sleeping Take notes Don't talk loudly in English class Sit well Bomb game energy 不多；很少 must burn report 地球 污染 把…… 倒入…… 重要的 kilometre 扔掉 保护 field congratulations， 闯关成功！ 7A Unit 3 The Earth Grammar Lead-in Time for breakfast. Q：What did you have for breakfast？ an ice cream a hamburger dumplings eggs bread rice milk meat Compare the two groups （试观察比较以下两组） Group A Group B an ice cream rice a hamburger bread dumplings milk eggs meat Countable nouns Uncountable nouns Grammar A Countable and uncountable nouns definition: While-Learning Countable nouns Uncountable nouns are nouns that we can count. are nouns that we can not count. [c] [u] p35 Summarize the rule (Countable/Uncountable) nouns can have plurals. We can use a or an before (countable/uncountable) nouns. Uncountable nouns only take (singular/plural) verbs. Countable nouns 1. +s book→books 2. class→ , finish→ 3. potato→potatoes, tomato→tomatoes, photo→ 4. city→ , play→ 5. life→ ,leaf→ 6. man→ / woman→ 7. fish, deer, sheep, people , Japanese cities plays men women classes finishes 以 s, x, ch, sh 结尾的单词， +es o+es 或 o+s 辅音字母+y, 改y为 i , +es f, fe , 改f, fe为 v+es lives leaves 不规则（irregular words ） 单复数相同 photos countable uncountable sandwich bread apple cake egg fruit milk orange juice cheese chicken wing Group discussion Classify the food.（1 min） tomato hamburger 2.There are_____(forest)and _____(river),_____(mountain) and_____ (field). 3.There are many different_____.(plant) 4.Some_____(place) are very hot, and some are very cold. 6.We must stop doing these _____(thing). 5.There is a lot of _____(pollution). 1.The Earth is a beautiful_____.(place) Fill in the blanks with the appropriate form of the word. place forests rivers mountains fields plants places pullution things 7.Lily ate only one piece of _____(bread). bread a piece of a slice of a cup/glass of Summary： We should use phrases with (countable/uncountable) nouns. / sla s / of 一杯水_____ __ 九瓶牛奶 _____ 一张报纸 _____ _ __ 八张报纸 _____ _ __ a cup/glass of water a piece of newspaper nine bottles of milk eight pieces of newspapers 1.There are_____(forest)and _____(river),_____(mountain) and_____ (field). 2.There are many different_____.(plant) 3.There is a lot of _____(pollution). Can you find out the similarities？ forests rivers mountains fields plants pullution Grammar B there is/are 这里“有...., 存在.....” 1.There are forests and rivers,mountains and fields. 2.There are many different plants. 3.There is a lot of pollution. there is/are ←复数可数名词 ←复数可数名词 ←不可数名词 1.There is a pen and five books on the desk. 2.There are five books and a pen on the table. Find out the subject of each sentence below. ←就近原则 ←就近原则 （there are） （there is） Note the difference below: _____ a glass of water and three apples on the table. _____ three apples and a glass of wat ... ...
