| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used [prep] a | 1689 |
|
| 2 | [be] [prep] a time | 61 |
|
| 3 | [be] used [prep] time | 6 |
|
| 4 | used [prep] a time | 5 |
|
