由两个或更多的词合成一个词的现象,叫复合词,又称合成词（词与词之间可以有连字符）；其中以复合名词最多,其次是复合形容词,复合动词、介词、副词、数词等也不少.

　　a．名词＋名词：bookshop／store／seller／mark,sunlight／shine／glasses,French／Englishman,policeman／woman,volley／basket／base／football,penfriend,grandfather／mother／son／daughter／parent（s）／children,schoolboy／girl／bag／yard,headache／master／teacher,moon-cake／light,team／house／homework,workbook／place／shop,newspaper,motorbike／car,birthday,bed／class／bathroom,handbag,gate-keeper／man,pencil-box,day／lunchtime,lifeboat／time,postcard／man／office,seafood,weekday／end,class／work／mate,northeast／west,railway,southeast／west,textbook,teapot,shellfish,earthquake,cup／keyboard,doorbell,fireplace,farmland,hometown,salesgirl,necklace,wardrobe,spaceship,etc．

　　b．形容词＋名词：loudspeaker,goodbye,midnight／day,blackboard,Mid-autumn,software,mainland．．．

　　c．动名词＋名词：sitting／waiting-room．．．

　　d．动词＋名词：playground／house,watchtower,chopsticks,washroom,checkout,breakfast．．．

　　e．名词＋动名词：handwriting,homecooking,thanksgiving,roller-skating．．．

　　f．动词＋副词：get-together

　　g．其它：afternoon,today,tonight（n．＆adv．）,ping-pong,T-shirt,E-mail,

　　self-respect,two-storey,yo-yo．．．