| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] [v-ing] | 34961 |
|
| 2 | [be] [v-ing] about | 4742 |
|
| 3 | [adv] [v-ing] about | 879 |
|
| 4 | [be] [adv] about | 596 |
|
