| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] when [art] | 352 |
|
| 2 | [vb infin] only [art] | 321 |
|
| 3 | only when [art] | 321 |
|
| 4 | [vb infin] only when | 27 |
|
