前缀 prefix
派生法 Derivation
前缀 prefix
后缀 suffix
决定词性, 不单独存在
happy→ unhappy→ unhappiness
前缀改变词义不改变词性 后缀改变词性不改变词义
派生法 Derivation
派 前缀
否定前缀 其他前缀
生
名词后缀
形容词后缀
法 后缀 副词后缀
当in遇上m,b,p……
当in遇到以m,b,p开头的字母时…… in就变成……im
immoral ,imbalance,impossible
当in遇上r……
当in遇到以r开头的字母时……
in就变成……ir
irregular ,irresponsible
当in遇上l……
当in遇到以l开头的字母时…… in就变成……il
truth difficulty happiness socialism childhood freedom friendship
形容词/ 名词
-th/-y -ness -ism -hood -dom -ship
即时练习
From the 1e_x_p_r_e_s_s_io_n_(express) on Mary’s face, he knew he left a bad 2_im__p_r_e_s_si_o_n_(impress) on her and if she won the 3_e_le_c_t_io_n_(elect) to become a chairman of the Environment 4_O__r_g_a_n_iz_a_t_io_n_(organize), he could not get her 5 p__er_m__i_ss_i_o_n_(permit) to join it although he was willing to do his bit to rid the world of 6 _p_o_l_lu_t_i_o_n (pollute) and to help people enjoy a better earth. When he was wondering how to change this situation, he got 7_in_s_p_i_r_a_ti_o_n(inspire) from his wife’s words. Yes, he should try his best to win the election and become chairman himself with his 8d_e_t_e_m_i_n_a_t_io_n__(determine) to work for the organization. “My dear,you are really a wonderful 9_h_e_lp_e_r_(help)! I’m I will be the10_______(win) of the election.” He said to his wife