| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] when they [verb] | 32 |
|
| 2 | be [v-ing] when they [verb] | 32 |
|
| 3 | [be] [v-ing] when they [vb past] | 20 |
|
| 4 | [was/were] [v-ing] when they [verb] | 16 |
|
| 5 | [be] [v-ing] when they [vb base] | 12 |
|
| 6 | was [v-ing] when they [verb] | 10 |
|
| 7 | [am/are] [v-ing] when they [verb] | 8 |
|
| 8 | are [v-ing] when they [verb] | 8 |
|
| 9 | were [v-ing] when they [verb] | 6 |
|
| 10 | [been] [v-ing] when they [verb] | 5 |
|
| 11 | been [v-ing] when they [verb] | 5 |
|
