| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at the time of [noun] | 26 |
|
| 2 | [adv] at [art] time of [noun sg] | 20 |
|
| 3 | [adv] at [art] time of [noun prp] | 10 |
|
| 4 | even at [art] time of [noun] | 5 |
|
| 5 | [adv] at [art] time of writing | 5 |
|
| 6 | [adv] at [art] time of writing | 5 |
|
