| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at [art] time [adv] | 69 |
|
| 2 | [conj] [prep] [art] time when | 67 |
|
| 3 | [conj] [prep] [art] time when | 67 |
|
| 4 | [conj] at [art] [noun] when | 61 |
|
| 5 | [conj] at [art] time when | 59 |
|
| 6 | [conj] at [art] time when | 59 |
|
