| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [verb] [pron] | 1998 |
|
| 2 | [Wh det] [vb base] [verb] [pron] | 232 |
|
| 3 | [vb base] [modal v] [verb] [pron] | 172 |
|
| 4 | [Wh det] [vb base] [modal v] [verb] | 45 |
|
