| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] [vb infin] buy [pers pn] a | 5 |
|
| 2 | i [modal v] [verb] buy [pers pn] a | 5 |
|
| 3 | i [modal v] buy [pers pn] a [noun] | 28 |
|
| 4 | i [modal v] buy [pers pn] a [noun sg] | 27 |
|
