| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] a | 5515 |
|
| 2 | [adv] [been] a | 1875 |
|
| 3 | [adv] [been] [v-ing] | 1678 |
|
| 4 | [been] [v-ing] a | 862 |
|
