| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while it be [vb pp] that | 23 |
|
| 2 | while it [is] [vb pp] that | 17 |
|
| 3 | while it is [vb pp] that | 16 |
|
| 4 | while it was [vb pp] that | 6 |
|
| 5 | while it [was/were] [vb pp] that | 6 |
|
| 6 | while it [be] recognised that | 5 |
|
