| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] existence at the time | 11 |
|
| 2 | [prep] existence at [art] time | 11 |
|
| 3 | [prep] existence at the time | 11 |
|
| 4 | in existence at [art] time | 11 |
|
| 5 | [prep] existence at [art] time | 11 |
|
