| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only when it be [verb] | 18 |
|
| 2 | only when it be [verb] | 18 |
|
| 3 | only when it be [verb] | 18 |
|
| 4 | only when it be [vb pp] | 14 |
|
| 5 | only when it is [verb] | 10 |
|
| 6 | only when it was [verb] | 6 |
|
