| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] when it [verb] | 121 |
|
| 2 | [vb pp] when it [vb past] | 70 |
|
| 3 | [vb pp] when it [vb -s] | 50 |
|
| 4 | [vb pp] when it come | 31 |
|
| 5 | [vb pp] when it comes | 24 |
|
| 6 | [vb pp] when it become | 14 |
|
| 7 | [vb pp] when it became | 11 |
|
| 8 | [vb pp] when it have | 8 |
|
| 9 | [vb pp] when it came | 7 |
|
