| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] when a | 29 |
|
| 2 | can [vb infin] when a | 11 |
|
| 3 | [vb mod] arise when a | 7 |
|
| 4 | may [vb infin] when a | 7 |
|
| 5 | will [vb infin] when a | 7 |
|
| 6 | [vb mod] occur when a | 6 |
|
