| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pron] may [vb infin] | 121 |
|
| 2 | [prep] [pron] may [vb infin] [vb pp] | 46 |
|
| 3 | which [pron] may [vb infin] [vb pp] | 36 |
|
