| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] when it [verb] | 60 |
|
| 2 | [vb infin] when it [verb] | 60 |
|
| 3 | [vb infin] when it [vb -s] | 42 |
|
| 4 | [vb infin] when it come | 21 |
|
| 5 | [vb infin] when it [vb past] | 18 |
|
| 6 | [vb infin] when it comes | 18 |
|
| 7 | do when it [verb] | 7 |
|
| 8 | [vb infin] when it have | 5 |
|
