| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [noun] at [art] time | 254 |
|
| 2 | in [noun sg] at [art] time | 117 |
|
| 3 | in force at [art] [noun sg] | 37 |
|
| 4 | in force at [art] [noun] | 37 |
|
| 5 | [prep] force at [art] time | 23 |
|
| 6 | in force [prep] [art] time | 22 |
|
| 7 | in force at [art] time | 21 |
|
| 8 | in force at [art] time | 21 |
|
