| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] when it [is] | 438 |
|
| 2 | [noun sg] when it [is] | 438 |
|
| 3 | [noun sg] when it is | 320 |
|
| 4 | [noun sg] when it 's | 118 |
|
| 5 | system when it [is] | 7 |
|
| 6 | effect when it [is] | 7 |
|
| 7 | policy when it [is] | 5 |
|
