| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have been [v-ing] for | 14 |
|
| 2 | [adv] have been [v-ing] for | 11 |
|
| 3 | [adv] have been [v-ing] for | 9 |
|
| 4 | not have been [v-ing] for | 5 |
|
| 5 | [not/n't] have been [v-ing] for | 5 |
|
