| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been [det] doubt | 9 |
|
| 2 | [verb] [adv] been [det] doubt | 9 |
|
| 3 | [vb -s] [adv] been [det] doubt | 5 |
|
| 4 | [adv] been [det] doubt [prep] | 7 |
|
| 5 | [adv] been [det] doubt [prep] | 7 |
|
