| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [to] [verb] [pron] | 7 |
|
| 2 | ought [to] [verb] [pron] | 6 |
|
| 3 | [modal v] a [verb] [pron] | 6 |
|
| 4 | ought [to] [verb] [pron] | 6 |
|
| 5 | [modal v] [to] [vb infin] [pron] | 6 |
|
| 6 | [modal v] [to] [verb] [pers pn] | 5 |
|
