| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | perhaps [pers pn] ought [to-vb] a [noun] | 6 |
|
| 2 | perhaps [pers pn] [modal v] [to-vb] a [noun sg] | 6 |
|
| 3 | perhaps [pers pn] ought [to-vb] a [noun] | 6 |
|
| 4 | perhaps [pers pn] [vb mod] [to-vb] a [noun] | 6 |
|
