| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [to-vb] [adv] [noun] [noun pl] | 6 |
|
| 2 | used [to-vb] [adv] [noun] [noun pl] | 6 |
|
| 3 | [vb mod] [to-vb] [adv] [noun] [noun pl] | 6 |
|
| 4 | [modal v] [to-vb] [adv] [noun sg] [noun pl] | 5 |
|
