| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] could be [vb pp] [prep] | 1297 |
|
| 2 | [det] could be [vb pp] [prep] | 402 |
|
| 3 | [det] [noun pl] could be [vb pp] | 341 |
|
| 4 | [det] [noun pl] be [vb pp] [prep] | 55 |
|
| 5 | [det] [noun pl] could be [prep] | 15 |
|
