| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a time when | 226 |
|
| 2 | [v-ing] [prep] a time when | 30 |
|
| 3 | [v-ing] at [art] time when | 28 |
|
| 4 | [v-ing] at [art] time when | 28 |
|
| 5 | [v-ing] at a [noun] when | 27 |
|
| 6 | [v-ing] at a [noun sg] when | 27 |
|
| 7 | [v-ing] at a time [adv] | 25 |
|
| 8 | [v-ing] at a time when | 25 |
|
| 9 | [v-ing] at a time when | 25 |
|
