| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] that [pers pn] has been [vb pp] | 10 |
|
| 2 | is that [pers pn] has be [vb pp] | 10 |
|
| 3 | [is] that it has be [vb pp] | 6 |
|
