| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [prep] [art] | 54796 |
|
| 2 | [vb pp] [prep] [art] ground | 932 |
|
| 3 | [was/were] [prep] [art] ground | 52 |
|
| 4 | [was/were] [vb pp] [prep] ground | 17 |
|
