| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [adv] | 710 |
|
| 2 | have been [adv] [det] | 550 |
|
| 3 | they have [adv] [det] | 169 |
|
| 4 | they have been [det] | 23 |
|
