| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] [adv] for | 362 |
|
| 2 | [verb] been [v-ing] for several | 24 |
|
| 3 | been [v-ing] [adv] for several | 10 |
|
| 4 | [verb] been [adv] for several | 8 |
|
