| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] [prep] several | 10 |
|
| 2 | [verb] been [adv] for several | 8 |
|
| 3 | [verb] been [adv] [prep] several | 5 |
|
| 4 | [verb] been [adv prt] [prep] several | 5 |
|
