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1、八年级下册复习 U5-6,Anthea,It is adj. for sb. to do sth.,It is adj. of sb. to do sth.,主+be+adj. enough to do sth.,adverbs,contents,It is adj. for sb. to do sth. 与It is adj. of sb. to do sth.的差别: 1.for 常用于表示事物的特征特点,表示客观形式的形容词,如easy, hard, difficult, interesting, impossible, dangerous, a pity, a good idea等:I
2、ts very hard for him to study two languages. 对他来说学两门外语是很难的。 Its very dangerous for children to cross the busy street. 对孩子们来说,穿过繁忙的街道很危险。 It is a good idea for the book to be given to her. 把这本书送给她是个好主意,compare,2.of 一般用表示人物的性格,品德,表示主观感情或态度的形容词,如good, kind, nice, clever, foolish, right, wrong, careless
3、, polite, foolish等。 Its very nice of you to help me. 你来帮助我,你真是太好了。 Its clever of you to work out the maths problem.你真聪明,解出了这道数学题。辨别for 与of 的小技巧: 用介词后面的代词作主语,用介词前边的形容词作表语,造个句子。如果道理上通顺用of,不通则用for。 如: You are nice. (通顺,所以应用of)。 He is hard. (人是困难的,不通,因此应用for。),compare,3. 有些形容词(如nice ,right, wrong, good,
4、 wise 等)既可用于of. to do sth结构,也可用于for. to do sth结构中,但两者之间的强调重点不同,意义也有区别。如: It is wise of them to turn down the suggestion. 他们很明智,拒绝了这个建议。 It is wise for them to turn down the suggestion. 他们拒绝这个建议是明智的。 (前句强调them是wise的;后句强调to turn down the suggestion 是wise的。),compare,Enough修饰形容词,置于形容词之后;常用于句型:主+be+adj.
5、enough to do sth. This room is large enough to hold 200 students. Enough修饰名词,置于名之前;常用于句型:主+v.+enough n. to do sth. Joan has enough money to buy the car.,Enough的使用,adverbs,(1)时间副词。ago,before,now,then,soon,already,yet等。 (2)地点副词。here,there,up,down,above,below,inside,outside等。 (3)疑问副词。where,when,why,how
6、等。 (4)程度副词。常修饰形容词和副词。very,much,so,too,quite,enough等。 (5)方式副词。意为“怎样地”,常修饰动词,多由“形容词+ly”后缀构成。如:carefully,quickly,easily,quietly等。 (6)频度副词。always,usually,often,sometimes,hardly,never等(频率高到低)。,adverbs,形容词变副词的规律: 一般直接加ly, “ll”加y; “元e”去e加ly,“辅le”去e加y; “y”读/ /, 改i加ly,读/a/ 直接加ly。,polite politely happy happil
7、y sole solely,busy busily shy shyly due duly,true truly nice nicely full fully,simple simply possible possibly sly slyly,adverbs,注意: 有些以ly结尾的词是形容词而非副词: friendly people; motherly care; lovely dog; monthly exam; heavenly peace2. 有些词加ly和不加ly都是副词,但意义不一样: hard VS hardly(几乎不) near VS nearly(几乎,差不多) high VS highly(程度高度,相当于much ),adverbs,wide VS widely(广泛地,在许多地方) deep VS deeply(深深地,感情上的深度) late VS lately(近来,最近)副词比较级、最高级使用与形容词相同,Thank you,for listening!,The end,