safe，useful，pleasant，interesting，impossible等。
It’s not easy for them to learn a foreign language.（=To learn a foreign language is not easy for them.）
3.表示感情或情绪的形容词，如glad，pleased，sad，thankful等常接不定式。 I’m very sad to hear the bad news.
4.表示能力和意志的形容词，如ready（乐意的，有准备的），able（有能力的），sure（一定），certain（一定）等常接不定式。 Lei Feng is always ready to help others. He is sure to get to school on time. Ⅱ副词 一、副词的分类
副词按词汇意义可分为：
方式副词：well，fast，slowly，carefully，quickly
程度副词：very，much，enough，almost，rather，quite 地点副词：here，there，out，somewhere，abroad，home 时间副词：today，early，soon，now，then，recently，still 频度副词：always，often，usually，sometimes，seldom，never 否定副词：no，not，neither，nor 疑问副词：where，how，why 其他：also，too，only 二、副词的基本用法：
1).副词是用来修饰形容词、其他副词,一般放在被修饰词之前. He plays the piano very well .
2). 副词是用来修饰动词,常放在动词之后. He got up quickly
3).enough 修饰adj /adv 时,放在其后. He is old enough to go to school . 三、常见副词用法辨析
1.already与yet的区别
already用于肯定句句中，表示“已经”；yet用于否定句句末，表示“还”，用于疑问句句末，表示“已经”
He had_____left when I called.
Have you found your ruler______？ 2 very，much和very much.的区别
very用于修饰形容词或副词的原级；much用于修饰形容词或副词的比较级；修饰动词要用very much. John is ____ honest.
This garden is_____ bigger than that one. Thank you _____.
3.so与such的区别
⑴so修饰形容词或副词；such 修饰名词，My brotherruns so fast that I can’t follow him. He is such a boy.
⑵so+形容词+a/an+可数名词单数 such+a/an+形容词+可数名词单数
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such+形容词+可数名词复数/不可数名词
He is ___ clever a boy.=He is ____ a clever boy. It is____cold weather.
They are _____good students.
⑶名词前有many ,much, few ,little (少量的) 用so 不用such .(多多少少仍用so) 但little 表示 ―小的‖ 用such. There are ___ little sheep on the hill .
4.also，too，as well与either 的区别
also，as well，too，用于肯定句，also常用于be动词，情态动词，助动词之后，行为动词之前；as well，too用于句末；either用于否定句中，置于句末。 例如，My father is a teacher. My mother is ____a teacher. =My father is a teacher. My mother is a teacher ______. =My father is a teacher. My mother is a teacher，_____.
I can’t speak French?? Jenny can’t speak French，_____. 5.sometime，sometimes，some time与some times的区别 sometime：表示将来的或过去的某一个不确定的时间。 sometimes：有时，不时的= at times some time：一段时间 some times：几次，几倍
We’ll have a test ______next month. _____ we are busy and sometimes we are not.
He stayed in Beijing for _____ last year. I have been to Beijing ______. 6.ago与before的区别
ago表示以现在为起点的“以前”，常与一般过去时连用，不可以单独使用。
before指过去或将来的某时刻“以前”，也可泛指以前，常和完成时连用，可以单独使用。 I saw him ten minutes _______.
He told me that he had seen the film______. 7.now，just与just now的区别
now：与一般现在时、现在进行时、现在完成时连用，意为“现在” just：与现在完成时连用，表示“刚??” just now：和过去时连用，表示“刚才” Where does he live______？ We have _______ seen the film.
He was here______. 8.lonely / alone 的区别
1).alone 独自一人/没有同伴, 既可作adj 也可作adv.
2).lonely 表示孤独,寂寞, 也可修饰地点,表示荒凉,偏僻的，常与feel 连用。
3).alone 只作表语 (以a开头的形容词一般只作表语,不作定语)而lonely 既可作表语,也可作定语)
He lives _____ on a _____ island .
He is _____ ,but he doesn’t feel ______. 9.fast /quickly /soon 的区别.
fast 表示速度之快 quickly表示动作之快 soon表示时间之快
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I’m leaving home this afternoon . Really ? Why so ______? A.fast B.soon C.quickly D.early
Ⅲ、形容词，副词的比较级、最高级
一、规则变化
1.一般在词尾直接加er或est， tall-taller-tallest，long-longer-longest
2.以不发音的字母e结尾的单词在词尾直接加r或st， nice-nicer-nicest
3.以辅音字母+y结尾的词，把y变为i，再加er或est， heavy-heavier-heaviest
4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加er或est， big-bigger-biggest 注: 大,红,湿,热,悲,瘦,胖.双写末辅再变级.（big/red/wet/hot/sad/thin/fat ）
5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级， beautiful-more beautiful-most beautiful 注:表示否定意义在其前加less /least
important----less important----least important
English is more interesting than Chinese =Chinese is less interesting than English . 6.由 “形容词+ly‖构成的副词,在其前加more/ most
slowly---more slowly----most slowly；但early—earlier---earliest 二、不规则变化
原级 good/well many/much little old bad/badly/ill 比较级 better more less old / elder worse farther (距离)/further（程度） 比较级 more like more real more tired more pleased 最高级 best most least old /eldest worst farthest /furthest 最高级 most like most real most tired most pleased far 下列单、双音节词只能加more和most
原级 like(想似的) real(真的) tired pleased often more often most often 注: 形容词,副词同形有: back , high , well ,fast, early, late ,straight
Ⅳ形容词，副词等级的用法
一、原级的用法
1.只能修饰原级的词，very，quite，so，too He is too tired to walk on.
My brother runs so fast that I can’t follow him. 2.原级常用的句型结构
（1）A= B-----A+ as +adj / adv的原级+ as +B 表示 ―A和B一样‖ Tom is as old as Kate.
Tom runs as fast as Mike.
（2）A＜B---A +not+as/so+形容词原级+as+B 表示 ―A不如B?‖
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This room is not as/so big as that one. He doesn’t walk as slowly as you. 二、比较级的用法
1.可以修饰比较级的词.
much，a lot，far，?的多a little，a bit，?一点儿even甚至，still仍然
Lesson One is much easier than Lesson Two. Tom looks even younger than before. 2.比较级常用的句型结构
“甲+形容词/副词的比较级+than+乙”表示“甲比乙?” Tom is taller than Kate.
I got up earlier than my mother this morning. 三.最高级的用法
1).结构: the +最高级+ of +人或物( in +地点) He is the tallest of all the boys He works hardest in his class . 注:副词的最高级前the 可省掉
2).the +序数词+形容词的最高级+单数名词 The Yellow River is the second longest river in China . 3).one of +the +形容词的最高级+复数名词
He is one of the cleverest students in our class.
4). “特殊疑问词+be+the+最高级+甲，乙，or丙？”用于三者以上的比较。 Which season do you like （the） best，spring，summer or autumn？
四.级别的转换
1).原级与比较级的转换
a). 倍数+ as …as → (倍数-1)+比较级+than
This room is five times as big as that one =This room is___ ___bigger than that one . b).not as?as 与比较级的转换
A +not as ?as + B → A+比较级(反义词的比较级) +than +B →B+比较级+than+A Mary is not as old as Tom .= Mary is _____ _____ Tom. = Tom is ____ _____ Mary .
This book is not as expensive as that one = This book is _____ _____ than that one = That book is _____ ______than this one . 2).比较级与最高级的转换
a). the +最高级+ of / in ??
b). 比较级+than+any other +单数名词 +the other +复数名词 +anyone else
+any of the other+复名 c). Nobody else + 比较级 + than …… Tom is the tallest boy in our class .
Tom is taller than ____ ____ boy in our class. Tom is taller than _____ ____ in our class.
_____ _____ is taller than Tom in our class. 五.级别的惯用法
1. “比较级+and+比较级”表示“越来越??”。
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