| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] for [num] minutes | 36 |
|
| 2 | was [vb pp] for [adj] minutes | 35 |
|
| 3 | was [verb] for 30 minutes | 5 |
|
| 4 | was [verb] for 30 minutes | 5 |
|
