| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [v-ing] | 6855 |
|
| 2 | [prep] [v-ing] about | 1202 |
|
| 3 | [adv] [v-ing] about | 879 |
|
| 4 | [prep] [adv] about | 79 |
|
