| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [Wh det] [modal v] [vb infin] | 190 |
|
| 2 | [prep] [Wh det] [modal v] [vb infin] [adv prt] | 17 |
|
| 3 | [det] [Wh det] [modal v] [vb infin] [adv prt] | 5 |
|
