| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [vb mod] [to-vb] a [adj] | 22 |
|
| 2 | [noun pl] used [to-vb] a [adj] | 15 |
|
| 3 | [noun pl] ought [to-vb] a [adj] | 10 |
|
