| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] for a | 520 |
|
| 2 | [vb pp] [noun] for a | 238 |
|
| 3 | [was/were] [vb pp] [noun] for | 180 |
|
| 4 | [was/were] [noun] for a | 106 |
|
| 5 | [was/were] [vb pp] [noun] a | 14 |
|
