| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [adv] | 3532 |
|
| 2 | [v-ing] [adv] for | 3350 |
|
| 3 | been [v-ing] for | 1734 |
|
| 4 | been [adv] for | 631 |
|
