| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [verb] down the | 14 |
|
| 2 | used [verb] down the | 14 |
|
| 3 | used [to-vb] down the | 14 |
|
| 4 | used to go down the | 5 |
|
| 5 | used go down the | 5 |
|
