| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] may be used [prep] [art] | 10 |
|
| 2 | which may be use [prep] [art] | 10 |
|
| 3 | [Wh det] may be use [prep] a | 5 |
|
| 4 | [Wh det] may be use [prep] the | 5 |
|
