七年级上册Unit3 The Earth教学课件 (7份打包)

Grammar Unit 3 The Earth Unit 3 Grammar 1 2 3 4 目录 Lead-in While-Learning Post-Learning Review Unit 3 Grammar Part I Lead-in Unit 3 Grammar Time for breakfast. What would you like for breakfast？ Unit 3 Grammar an apple a hamburger eggs dumplings Unit 3 Grammar meat bread milk rice Unit 3 Grammar 试观察比较 Group A Group B an apple bread a hamburger rice dumplings milk eggs meat Unit 3 Grammar Part II While-Learning Unit 3 Grammar Grammar A Countable and uncountable nouns Unit 3 Grammar Countable and uncountable nouns In English, we can count some things, e.g. rivers and mountains. We cannot count other things, e.g. water and air. Countable nouns Uncountable nouns one animal, two animals some rubbish I have a world map at home. There is an article about the Earth. All plants need light and water. This plant is beautiful. These animals are dangerous. Air has no smell. Water is important. Unit 3 Grammar Work out 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. Unit 3 Grammar Summary Countable and uncountable nouns 可数名词与不可数名词 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，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。 Unit 3 Grammar Countable nouns 1. +s book→books 2. 以 s, x, ch, sh 结尾， +es class→classes 3. 辅+y, 改y为 i , +es city→cities, play→plays 4. o+es 或 o+s potato→potatoes, tomato→tomatoes, photo→photos 5. f, fe , 改 v+es life→lives, leaf→leaves 6. 不规则 man→men 7. 单复数相同 fish, deer, sheep, Chinese, Japanese Unit 3 Grammar minutes halves classmates mirrors glasses cups families matches wives parks factories potatoes 写出下列名词的复数形式 1．规则变化： mimute ______ half ______ classmate______ mirror ______ glass ______ cup______ family ______ match ______ wife ______ park ______ factory ______ potato ______ thief ______ photo ______ baby ______ thieves photos babies Unit 3 G