Unit 7 What’s the highest mountain in the world Section A-2課件.ppt

1、Unit 7Whats the highest mountain in the world?,Section A Grammar Focus,Grammar Focus,4a. Fill in the blanks with the correct forms of the words in the box.,1. The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River.2. Qomolangma is 8,844.43 meters_.,big much popul

2、ar long old high,longest,longer,high,Its one of the most_ places for serious mountain climbers.3. No ocean in the world is as _ as the Pacific Ocean.4. Although Japan is _ than Canada, it is_smaller.,popular,big,older,much,一 寫(xiě)出下列單詞的比較級和最高級,1. good2. comfortable3. big4. happy5. cheap6. many7. difficu

3、lt8. little,1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little,better best,more most ,bigger biggest,happier happiest,cheaper cheapest,more most,more most ,less least,1. Lily gets up _ (early) than Lucy. 2. Which goes _ (slowly), Tom or Jim? 3.This book is _ (interesting)

4、 than that one.,earlier,more slowly,more interesting,二 根據所給詞的適當形式填空,4. She works _ (careful) in her school. 5. Who goes to bed _ (late) Jim, Tom or Jack? 6. I think turkey is _ (delicious) of all.,the most carefully,latest,the most delicious,e.g. Two rivers：_ and _,4b. Write two comparisons about tw

5、o topics. Write true facts.,the Yangtze River,the Amazon River,The Yangtze River is almost as long as the Amazon River.,The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China.,Two cities：_ and _1._2._ _,Two animals：_ and _1._ 2._ _,Pair work,4c. Write five questions usi

6、ng comparisons. Then ask your partner your questions.,_,What is the highest building in our city?,Who is the oldest people in our city?,What is the most popular street in our city?,What is the most delicious food in our city?,Where is the busiest road in our city?,大多數形容詞和副詞有三個(gè)等級：原級、比較級、最高級。一、形容詞比較級的

7、構成 1.構成的不規則變化: 2.構成的規則變化:,形容詞和副詞的比較級,2. 構成的規則變化:1) 單音節詞和少數雙音節詞一般在詞尾 后加-er 構成比較級 或-est構成最高級. 如： 原級 比較級 最高級 cold colder coldest bright brighterbrightest young younger youngest,2) 以字母 e 結尾的詞只加 r 或-st 構成 比較級和最高級。 原級 比較級 最高級 nice nicer nicest fine finer finest large larger largest,3) 重讀閉音節詞末尾只有一個(gè)輔音字母時(shí), 先

8、雙寫(xiě)這個(gè)輔音字母, 再加-er或-est。如: big bigger biggest thin thinner thinnest 4) 以“輔音字母+ y”結尾的雙音節詞， 先改y為i, 再加-er或-est。如： easy easier easiest happy happier happiest,5) 多音節詞和部分雙音節詞在詞前加more 或most。如： delicious more delicious most delicious interesting more interesting most interesting importantmore important most im

9、portant,carefully-more carefully-most carefullyquickly-more quickly -most quicklyslowly-more slowly -most slowlyeasily- more easily -most easily,用法：英語(yǔ)中三者或三者以上相比較，表示“最” 這樣的最高程度概念時(shí)，要用 “the+最高級” 的結構表示。這種句式一般帶有表示比較的介詞短語(yǔ)，比如: in our class, of the three 等。例如：Wang Lin is the tallest in our class. This theat

10、er is the cheapest of the three.注意使用最高級時(shí)應注意以下幾點(diǎn)：,形容詞的最高級,(1) 表示 “最之一” 的句式，要用 one of the +形容詞最高級+復數名詞。例如: Jingjiang Hotel is one of the biggest hotels in our city. Lisa is not one of my best friends. (2) 當最高級前面有物主代詞或名詞所有格時(shí)， 不加定冠詞 the。例如：Tom is Lucys best friend. Tuesday is her busiest day.,(3) 最高級前可加

11、序數詞。例如：The Yellow River is the second longest river in China.(4) 形容最高級修飾作表語(yǔ)或介詞賓語(yǔ)的名詞，代詞時(shí)，被修飾的詞往往省略。例如：He is the laziest (student) in our class.,2. 形容詞比較級和最高級的構成 規則變化一般情況下，單音節或雙音節的形容詞比較級直接加-er, 最高級直接加-est。如： clevercleverercleverest cheapcheapercheapest fewfewerfewest smallsmallersmallest youngyoungery

12、oungest,b. 以-e 結尾的形容詞，比較級+ -r,最高級+ -st。如： largelargerlargest nicenicernicest cutecutercutestc. 以輔音字母+y結尾的形容詞，變y為i +er或+est。 busybusierbusiest heavyheavierheaviest easyeasiereasiest happyhappierhappiest dirtydirtierdirtiest,d. 以重讀閉音節結尾，末尾只有一個(gè)輔音字母結 尾的詞，雙寫(xiě)最后一個(gè)輔音字母，再加+er或 +est。 如： bigbiggerbiggest thint

13、hinnerthinnest fatfatterfattest hothotterhotteste. 多音節和部分雙音節形容詞，需在原級前+more 構成比較級，+ most 構成最高級。如： importantmore importantmost important beautifulmore beautiful most beautiful difficultmore difficultmost difficult,3. 不規則變化：,最高級規則變化口訣：,最高級，很容易，一般詞尾加est。(cheap-the cheapest)詞尾若有啞音e, 直接就加st。(close-the clo

14、sest)重讀閉音節, 單輔音字母要雙寫(xiě)。(big-the biggest)輔音字母加y, 記得把y變?yōu)閕。(friendly-the friendliest) 多音節，考考你，the most到底加哪里？(popular-the most popular),1.We are going to the Green Restaurant for lunch. (就劃線(xiàn)部分提問(wèn)) _ you going for lunch? 2. Sam is the shortest in his class. (改為同義句)Sam is _ than _ _ student in his class.Sam

15、is _ than _ _ students in his class.Sam is _ than_ _ in his class.3. How do you like Screen City? (改為同義句) _ do you _ Screen City?,Where are,shorter,any other,What,think of,shorter,the other,anyone else,shorter,練習：改寫(xiě)句子,1.表示兩者之間的選擇, 可用“Which/Who + 比較，or?”.,2.表示兩者之間的比較，通常用連詞 than 引導， 表示“更一些”,3.much/far

16、/a lot, even ,still ,a little/a bit 修飾比較級,表示程度.,Who runs faster, he or she?,He runs faster than she.,He runs much faster than she.,4. “比較級+and+比較級”表示“越來(lái)越”,5. “the+比較級 , the + 比較級”表示“ 越, 越 ”,6. 表示不及另一方時(shí)，用“l(fā)ess+原級+than” (雙音節和多音節詞),He becomes healthier and healthier.,The more you exercise, the healthier you will be.,She is less healthy than he.,He is healthier than she.,Shanghai is becoming more and more modern.,1.比較級 + and +比較級 越來(lái)越2.the+比較級 , the + 比較級 越, 越 ,3._you are, _mistakes you will make. (你越仔細，做錯的題目就越少） 4. _