| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [modal v] [verb] [prep] a | 1984 |
|
| 2 | [noun sg] [modal v] [verb] at [art] | 311 |
|
| 3 | [noun sg] [modal v] [verb] at [art] | 311 |
|
| 4 | [noun] [modal v] [verb] at a | 110 |
|
| 5 | [noun sg] [modal v] [verb] at a | 79 |
|
