| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [prep] [art] | 187291 |
|
| 2 | could [be] [vb pp] [prep] | 7114 |
|
| 3 | could [be] [prep] [art] | 254 |
|
| 4 | could [be] [vb pp] [art] | 190 |
|
