| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | though it has be [verb] that | 6 |
|
| 2 | though it has be [verb] that | 6 |
|
| 3 | though it has been [verb] that | 6 |
|
| 4 | though it has be [vb pp] that | 5 |
|
