| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] for [num] [noun] | 1126 |
|
| 2 | could be [vb pp] for [noun] | 141 |
|
| 3 | could be [vb pp] for [num] | 19 |
|
| 4 | could be [vb pp] [num] [noun] | 15 |
|
