| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while they [was/were] [verb] | 139 |
|
| 2 | while they [was/were] [v-ing] | 132 |
|
| 3 | while [pron] [was/were] talking | 43 |
|
| 4 | [conj] they [was/were] talking | 41 |
|
| 5 | while they [be] talking | 9 |
|
| 6 | while they [was/were] talk | 7 |
|
