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1、 精品范文Unit 11 Working with Animals_八年级英语教案 一. 教学内容： unit 11 part 2 学会使用现在完成时描述经历及使用形容词最高级进行三者以上的比较 二. 本周教学重点： 1.形容词最高级的使用。 2. 冠词的使用。 3. 课文解析。 三. 具体内容： （一）形容词比较级和最高级。 1. 大多数形容词都有三个等级的变化：原级，比较级和最高级。原级即原形；比较级表示“较”或“更一些”的意思；最高级表示“最”的意思。 2. 形容词比较级最高级构成的规则变化。 形容词最高级用于三者或三者以上的人或事物的比较，表示在一群人或事物中，其中一个“最”。最高级前
2、一般要用定冠词the,句中一般有一个表示比较范围的介词of或in短语，of 后面一般接表示一群人或事物的代词或名词，in 后面一般接表示一个单位或场所的名词。 构成法 原形 比较级 最高级 一般单音节词和部分双音节词在词尾加-er/est tall great fast near taller greater faster nearer tallest greatest fastest nearest 以不发音的字母e结尾的单音节词只在词尾加-r/st nice large late nicer larger later nicest largest latest “辅音字母+y”结尾的双音节
3、词将词尾的y改为i，再加er/est easy busy early happy easier busier earlier happier easiest busiest earliest happiest 重读闭音节词，末尾只有一个辅音字母，双写该辅音字母。再加er/est big hot thin fat bigger hotter thinner fatter biggest hottest thinnest fattest 3. 形容词比较级构成的不规则变化。 原形 比较级 最高级 good/well better best bad worse worst many more mos
4、t far farther/further farthest/furthest little less least 4. 多音节词和部分双音节词要在其前加more, most 变成比较级和最高级。 popularmore popularthe most popular importantmore importantthe most important seriousmore seriousthe most serious outgoingmore outgoing the most outgoing 5. 最高级的基本用法： 1）三者或三者以上相比较用“the+最高级+名词+范围”。 this
5、 is the cleanest place of the city. jack is the tallest boy in our class. 2）表示“最之一”，用“one of the +形容词最高级+复数名词” this is one of the most interesting books that ive ever read. 3）形容词的最高级前面必须加定冠词the,但当形容词最高级前面有物主代词修饰时，则不加the. this is my the best friend. this is my best friend. today is happiest day of my
6、 life. today is the happiest day of my life. （二）冠词的用法： 不定冠词的用法： 1）用于第一次提到的单数可数名词前，表示类别，泛指某一类人或物。 he is a worker. give the child a pencil, please. 2）表示任何一类人或物中的任何一个。 a horse is a useful animal. a worker works with his hands. a ho rse is smaller than an elephant. 3）与序数词连用表示“再一，又一”。 ill stay here for a
7、 second week. 4）与某些表示数量的名词连用，构成某些习语。 quite a few, a little, a great deal of, a great number of, a great many, many a 定冠词的用法： 1）用于特指的事物或说话双方都清楚的事物名词前。 who invited the computer? please close the door. 2）用于第二次提到的人或事物前。 he planted a tree by the river last year. now the tree grows well. 3）用于世界上独一无二的事物前。
8、the earth goes around the sun. 4）用于序数词前表示“第几” he is always the first to come and the last to leave. 5）用于形容词最高级前。 he is the tallest boy in our class. 6）用于乐器前。 my aunt likes playing the violin. （三）课文解析。 1) share with sb. david shared his candies with me. he has to share a bathroom with his roommate an
9、d he hates it. 2) a bit i am a bit tired. i am a bit sick about it. im not a bit hungry somehow tonight. he said he was not a bit cold. 3) look like they look like the sticks and leaves. 4) start doing they start taking photos of me. 5) protect animals we should protect animals because theyre our fr
10、iends. 6) train animals i am a dolphin trainer. i like training them. 课堂练习 i. 用所给形容词或副词的适当形式填空 1. which is (fast) a cheetah or a kangaroo? 2. the country is getting and (rich). 3. look at those little yellow flowers. they are the (beautiful) flowers i have ever seen. 4. he broke his leg. the next mo
11、rning he felt even (painful). 5. he raised his voice, trying to speak (clearly). 6. it is (warm) today than yesterday. 7. june is the (hot) month in a year. 8. the giraffe is the (tall) animal in the world. 9. the stick insect is the worlds (long) insect. 10. with the help of the new teacher, he fel
12、t (interested) in physics. ii. 单项填空 1. have you lived in beijing ? a. how long b. how often c. how much d. how soon 2. hes been back home , ? a. isnt he b. is he c. has he d. hasnt he 3. they have stayed here last year . a. for b. since c. from d. ever 4. mary has shanghai for six months . a. come t
13、o b. arrived at c. left d stayed in 5. i dont want you yourselves . a. hurting b. hurt c. to hurt d. hurted 6. i have not seen her 1991. a. for b. since c. in d. about 7. he the league for three years . a. joined b. has joined c. is in d. has been in 8. he has had the bike two years ago . a. for b.
14、since c. about d. 9. have you ever _ to america？ a. go b. gone c. been d. went 10. everybody _. he feels very lonely. a. go b. has gone c. have gone d. goes iii. 用动词的正确形式填空。 see 1. can you _ the bird in the tree? 2. my grandpa _ a doctor when he is ill. 3. he _ a doctor at the moment. 4. we _ a movie last night. 5. _ you ever _ an ostrich? 6. i hope _ you soon. 7. i _ him in the street yesterday. 8. i _ just _ him on the street. 9. the woman _ a doctor three days ago. 10. the man _ (not see) a doctor for five years.
