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