| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] a [noun sg] [prep] | 236 |
|
| 2 | used [to-vb] a [noun sg] [prep] | 229 |
|
| 3 | used [to-vb] [adv] a [noun sg] | 15 |
|
