八年级下册5-6单元知识的总结UNIT 5 Topic 1语法:主系表结构。主语+系动词+表语(形容词),系动词:be(is am are), look, sound, taste, smell, feel, turn, get, become, go, seem等。例句:You look excited. / They are lucky./ He seems a little unhappy./ It tastes delicious.词,词组的用法:invite:“邀请” , invite sb. to do sth. : 邀请某人做某事 invite sb. to +地点 : 邀请某人去哪里say thanks to : 向道谢 one of +可数名词复数:中的一个以-ed 结尾的形容词表示“感到的”,修饰人,以-ing结尾的形容词表示“令人的”,修饰物。 这样的词有:excited/exciting, surprised/surprising, interested/interesting等None:“(三者或三者以