常慧媛 构词法.ppt

构词法 (Word Formation) reusablean incurable disease/illness 英语主要有三种构词法: 1.派生(Derivation): 2.合成(Compounding): 3.转化(Conversion) 1.派生词 注意:前缀一般只改变词义,不改变词类;后缀一般只改变词类,不引起词义变化 (3) 合成动词 ①副词+动词 ill-treat 虐待 ②名词(代词)+动词 mass-produce 大规模生产 ③形容词+动词 safe-guard 保卫 ⑸.合成代词 some ,any, no, 可以与-thing, -one, -body 合成代词. 如: anybody , something 3.转化: 是由一词类转化为另一词类 ⑴动词转化为名词 E.g. We paid a visit to the park yesterday. 注意: 英语中常用 give, take, have, make 等词构成这一类词组,表示一个动作. 如: give a shout , give a kick; take a seat, take a bath; have a swim, have a smoke; make a bet, make a decision 2.名词转化为动词 e.g. The hall can seat two thousand people They have booked their plane ticket. 4. 形容词转化为副词 E.g. How long is the line? (adj) How long have you lived in China? (adv) * * 初中生活马上就要结束了，三年的初中生活一定 给你留下了很多挥之不去的回忆。请你给大家讲一 个最值得你回忆的故事。 包括时间、人物、事情经过和事后你的感想 （请不要写出真实的学校名称以及真实姓名）。 提示词供参考。 three years, memories, one of, one day, think, happy/ sorry 昌平二模 I have studied in my school for three years and I will say goodbye to my teachers and then leave my school. I had so many memories in three years’ life. On of them impressed me very much. When I was in Grade Two, I had a car accident . As a result, I had to stay in bed for several days .My mother worried about my study. To my surprise ,Tom came to my home after school and helped me with my lessons every day. When I came back to school I could catch up with others. I felt lucky to have such a good friend. When I came back to school,I could catch up with others.Now, we may go to different schools. Friends don’t have to see each other all the time. The friends you treasure most are the friends you see less often. A life without old frie