| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] when he [vb past] | 10 |
|
| 2 | be [v-ing] [adv] when he [verb] | 7 |
|
| 3 | was [v-ing] [adv] when he [verb] | 7 |
|
