| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [Wh det] [modal v] [verb] | 631 |
|
| 2 | [prep] [noun sg] [modal v] [verb] a | 376 |
|
| 3 | [noun sg] [Wh det] [modal v] [verb] a | 301 |
|
| 4 | [prep] [noun sg] [Wh det] [verb] a | 160 |
|
| 5 | [prep] [Wh det] [modal v] [verb] a | 47 |
|
