| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was while [prep] [noun] | 5 |
|
| 2 | it was while [prep] [noun] | 5 |
|
| 3 | it was while [noun] [was/were] | 6 |
|
| 4 | it was while [noun] [be] | 6 |
|
| 5 | it was while [noun] was | 6 |
|
| 6 | it was while [noun] be | 6 |
|
