| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [adv] for a | 7 |
|
| 2 | they have be [adv] for a | 7 |
|
| 3 | they have [be] [adv] for a | 7 |
|
| 4 | they have [been] [adv] for a | 7 |
|
