| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] [vb infin] a [noun sg] | 6980 |
|
| 2 | [modal v] [vb infin] at a [noun sg] | 174 |
|
| 3 | [noun] [modal v] [vb infin] at a | 126 |
|
| 4 | [noun] [modal v] [vb infin] at [noun sg] | 126 |
|
