a.形容词:就是用来修饰名词或不定代词,表示人或事物的性质、状态和特征的词。形容词主要作定语、表语、补语。如: 1. this is a new pen. 这是支新钢笔。(形容词new作名词pen定语) 2. these oranges taste ________. (全国卷) a. good b. well c. to be good d. to be well 《分析》答案选a。系动词taste(尝起来)后要接形容词作表语。 3. john was so sleepy that he could hardly keep his eyes ________. (全国卷) a. open b. to be opened c. to open d. opening 《分析》答案选a。形容词open(开着的)作宾补,表示状态。注意:不要选答案d,因为open是短暂