| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at a | 830 |
|
| 2 | [verb] at a high | 139 |
|
| 3 | [was/were] [verb] a high | 21 |
|
| 4 | [was/were] [verb] at high | 11 |
|
