| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [pron] [modal v] [adv] | 1234 |
|
| 2 | [prep] [Wh det] [pron] [modal v] [adv] | 600 |
|
| 3 | [prep] which [pron] [modal v] [adv] | 458 |
|
| 4 | [prep] which [pron] [modal v] [adv] | 458 |
|
