| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been [det] doubt | 8 |
|
| 2 | [verb] [adv] been [det] doubt | 8 |
|
| 3 | [adv] been [det] doubt [prep] | 6 |
|
| 4 | [adv] been [det] doubt [prep] | 6 |
|
