1)很多以a開頭的形容詞，如asleep, afraid, awake, alone, aware, alive, ablaze, alike等，

　　【例如】

　　He was so tired that he soon fell asleep. Whether he was alive or dead in the earthquake is still unknown.

　　2)這類形容詞有時可以放在名詞后作后置定語。

　　【例如】

　　He is one of the persons alive after the flood. The old man was the only person awake at the moment.

　　3)這類形容詞中有些像alike，alone，amiss，afire，adrift，afloat，afoot等既是表語形容詞，又是副詞，它們的用法不同。

　　【例如】 The twins look so much alike that it is difficult to distinguish one from the other. My brother and I alike are funs of pop music.

　　4)一些表示身體健康情況的形容詞，如ill, well, unwell, fit, poorly等，一般作表語。

　　【例如】

　　I dont feel well. I need to go to see the doctor. How to keep fit is a popular topic these days.