| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it be [verb] last [noun] | 7 |
|
| 2 | when it was [verb] last [noun] | 7 |
|
| 3 | when it [be] [verb] last [noun] | 7 |
|
| 4 | when it [was/were] [verb] last [noun] | 7 |
|
