| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [noun] [prep] a time when | 40 |
|
| 2 | [v-ing] [noun] [prep] a [noun] when | 11 |
|
| 3 | [v-ing] [noun] [prep] a [noun sg] when | 11 |
|
| 4 | [v-ing] [noun] [prep] [art] time when | 10 |
|
| 5 | [v-ing] [noun] [prep] [art] time when | 10 |
|
| 6 | [v-ing] [noun] [prep] a time [adv] | 9 |
|
| 7 | [v-ing] [noun] [prep] a time when | 9 |
|
| 8 | [v-ing] [noun] [prep] a time when | 9 |
|
