| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while we [verb] for | 19 |
|
| 2 | while we [verb] for | 19 |
|
| 3 | while we wait for | 16 |
|
| 4 | while we [vb base] for | 12 |
|
| 5 | while we wait for | 11 |
|
| 6 | while we [vb past] for | 7 |
|
| 7 | while we waited for | 5 |
|
