| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at the time when | 42 |
|
| 2 | [adv prt] [prep] the time when | 36 |
|
| 3 | [adv prt] at [art] time when | 25 |
|
| 4 | [adv prt] at [art] time when | 25 |
|
| 5 | [adv prt] at the [noun] when | 6 |
|
| 6 | [adv prt] at the time [adv] | 6 |
|
| 7 | [adv prt] at the time when | 5 |
|
