| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] when it [is] | 26 |
|
| 2 | [vb infin] when it [is] | 26 |
|
| 3 | [vb infin] when it 's | 15 |
|
| 4 | [vb infin] when it is | 11 |
|
