| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] in a | 604 |
|
| 2 | been [v-ing] [adv] in | 160 |
|
| 3 | been [v-ing] [adv] a | 92 |
|
| 4 | been [v-ing] in a | 91 |
|
| 5 | been [adv] in a | 8 |
|
