| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] when it [vb -s] | 9 |
|
| 2 | is [verb] when it [verb] | 9 |
|
| 3 | [is] [verb] when it [verb] | 9 |
|
| 4 | [is] [vb pp] when it [verb] | 8 |
|
