| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only when it [is] | 30 |
|
| 2 | only when it [is] | 30 |
|
| 3 | only when it [is] | 30 |
|
| 4 | only when it is | 25 |
|
| 5 | only when it 's | 5 |
|
