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