| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] to [det] extent | 25 |
|
| 2 | [was/were] [verb] to some extent | 25 |
|
| 3 | [was/were] [vb pp] to [det] extent | 24 |
|
| 4 | was [verb] to [det] extent | 19 |
|
| 5 | were [verb] to [det] extent | 6 |
|
