| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [noun sg] at [art] time | 117 |
|
| 2 | in [noun sg] at the time | 107 |
|
| 3 | in force at [art] time | 21 |
|
| 4 | in existence at [art] time | 11 |
|
| 5 | in [noun sg] at a time | 10 |
|
| 6 | in place at [art] time | 7 |
|
| 7 | in use at [art] time | 6 |
|
| 8 | in practice at [art] time | 5 |
|
