| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [adv] | 593 |
|
| 2 | been [v-ing] [adv] for | 390 |
|
| 3 | have been [v-ing] for | 294 |
|
| 4 | have been [adv] for | 84 |
|
