| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] at [det] time | 279 |
|
| 2 | [be] used at [det] | 50 |
|
| 3 | used at [det] time | 20 |
|
| 4 | [be] used [det] time | 17 |
|
