七年级下册英语(外研)Module6比较级.ppt

写出下列形容词的比较级：,long tall thin big beautiful exciting,longer,taller,thinner,bigger,more beautiful,more exciting,good bad easy,better,worse,easier,形容词比较级的用法：,形容词比较级的构成：,（1）long longer tall taller,单音节形容词的比较级以及以 ly, er, ow结尾的形容词在词尾加 er； 以e结尾的形容词在词尾直接加-r 构成. 例： dark darker; quick quicker ; clever cleverer; simple simpler; narrow narrower,（2）thin thinner big bigger,以重读闭音节结尾的形容词，双写尾字母加er,（3）Beautiful more beautiful Exciting more exciting,多音节形容词的比较级在其前加more构成。 例： important more important; beautiful more beautiful,表语形容词以及由分词变来的形容词，在其前加more构成。 例：afraid more afraid; interesting more interesting; pleased more pleased。,（4）good better bad worse easy easier,少数形容词的比较级是不规则的。 例：good better; bad worse; far farther / further。,以y结尾的，把y变I ，加er。 例：early earlier,基本句型：,原级比较： 1. 由“as + 形容词 + as”或“as + 形容词 + 名词 + as”构成。 My grandpa is as energetic as a young man. Exercise is as useful a way as any other to lose unwanted weight. I try to find as much information as I can about what happened. 2. 由“not so (as) + 形容词 + as”或“not so (as) + 形容词 + 名词 + as”构成。 Luckily the weather was not so wet as it is today.,不同级比较 1. 由“形容词比较级 + than”构成。 He is more concerned about others than about himself. 2. 由“many / much more + 可数 / 不可数名词 + than” My friend earned much more money than I did last year.,特殊句型：,1. “比较级 and + 比较级”或“more and more / less and less + 原级”结 构表示“越来越”的意思，与这类结构搭配的常用动词有grow, get, become等。 She felt herself becoming more and more nervous. As the winter is drawing near, its getting colder and colder. 2. the + 比较级 + of the two + 名词。 Jane is the taller of the two children in our family. 3. “the + 比较级，the + 比较级”，表示“越，越”。 The more magazines you sell, the more money you will get. 4. “否定 + 比较级” 相当于最高级。 Wait until we get a satisfactory reply, will you? I couldnt agree more. The idea sounds great to me. 5. “a + 比较级 + 名词（than）” 结构常出现在以never构成的完成时态的动词后面。 How beautifully she sings！I have never heard a better voice. 6. 倍数表示法：times as + 形容词原级 + as； times + 形容词比较级 + than；times the + 性质名词 + of。 The dining hall is three times as large as that one.