| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [prep] i used | 8 |
|
| 2 | used [prep] i [vb mod] | 8 |
|
| 3 | used to i [vb mod] | 8 |
|
| 4 | used [prep] i [vb mod] | 8 |
|
