| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in use [prep] [art] time | 8 |
|
| 2 | in use [prep] the time | 7 |
|
| 3 | in use at [art] time | 6 |
|
| 4 | in use at [art] time | 6 |
|
