高中英語詞法專題形容詞、副詞精品教案
一、規(guī)則變化1. 一般在詞尾直接加er或est， tall-taller-tallest，long-longer-longest2. 以不發(fā)音的字母e結(jié)尾的單詞在詞尾直接加r或st， nice-nicer-nicest3. 以輔音字母+y結(jié)尾的詞，把y變?yōu)閕，再加er或est， heavy-heavier-heaviest4. 重讀閉音節(jié)，末尾只有一個(gè)輔音字母，雙寫這個(gè)輔音字母，再加er或est， big-bigger-biggest注: 大, 紅, 濕, 熱, 悲, 瘦, 胖. 雙寫末輔再變級(jí).（big/red/wet/hot/sad/thin/fat ）5. 部分雙音節(jié)詞和多音節(jié)詞分別在原級(jí)前加more構(gòu)成比較級(jí)和most構(gòu)成最高級(jí)， beautiful-more beautiful-most beautiful注: 表示否定意義在其前加less /least important----less important----least important english is more interesting than chinese =chinese is less interesting than english .6. 由 “形容詞+ly”構(gòu)成的副詞, 在其前加more/ most slowly---more slowly----most slowly；但early—earlier---earliest 二、不規(guī)則變化原級(jí)比較級(jí)最高級(jí)good/wellbetterbestmany/muchmoremostlittlelessleastoldold / elderold /eldestbad/badly/illworseworstfarfarther (距離)/further（程度）farthest /furthest下列單、雙音節(jié)詞只能加more和most原級(jí)比較級(jí)最高級(jí)like(想似的)more likemost likereal(真的)more realmost real tiredmore tiredmost tired pleasedmore pleasedmost pleasedoftenmore oftenmost often注: 形容詞, 副詞同形有: back, high, well, fast, early, late, straight ⅳ形容詞，副詞等級(jí)的用法一、原級(jí)的用法1. 只能修飾原級(jí)的詞，very，quite，so，toohe is too tired to walk on. my brother runs so fast that i can’t follow him. 2. 原級(jí)常用的句型結(jié)構(gòu)（1）a= b-----a+ as +adj / adv的原級(jí)+ as +b 表示 “a和b一樣”tom is as old as kate.tom runs as fast as mike. （2）a＜b---a +not+as/so+形容詞原級(jí)+as+b 表示 “a不如b…”this room is not as/so big as that one. he doesn’t walk as slowly as you.二、比較級(jí)的用法1. 可以修飾比較級(jí)的詞.much，a lot，far，…的多a little，a bit，…一點(diǎn)兒even甚至，still仍然lesson one is much easier than lesson two. tom looks even younger than before. 2. 比較級(jí)常用的句型結(jié)構(gòu) “甲+形容詞/副詞的比較級(jí)+than+乙”表示“甲比乙…”tom is taller than kate. i got up earlier than my mother this morning.三. 最高級(jí)的用法1). 結(jié)構(gòu): the +最高級(jí)+ of +人或物( in +地點(diǎn)) he is the tallest of all the boys he works hardest in his class . 注: 副詞的最高級(jí)前the 可省掉2). the +序數(shù)詞+形容詞的最高級(jí)+單數(shù)名詞the yellow river is the second longest river in china .3). one of +the +形容詞的最高級(jí)+復(fù)數(shù)名詞he is one of the cleverest students in our class. 4). “特殊疑問詞+be+the+最高級(jí)+甲，乙，or丙？”用于三者以上的比較。 which season do you like （the） best，spring，summer or autumn？