1、

2、 I shall be able to come tomorrow、明天我能来。

3、 She is old but still able、她虽老但仍然很能干。

4、 I am afraid I won't be able to visit you on Saturday、恐怕我无法在星期六来拜访您了。

5、

6、 He is an able lawyer、他是一位能干的律师。

7、 He made a very able speech、他做了一篇精彩的演说。