| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] [adv] | 962 |
|
| 2 | have been [verb] [adv] for | 831 |
|
| 3 | [modal v] have been [verb] for | 290 |
|
| 4 | [modal v] have [verb] [adv] for | 120 |
|
| 5 | [modal v] have been [adv] for | 25 |
|
