| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] [prep] [noun sg] | 832 |
|
| 2 | [be] [verb] [to-vb] [prep] [noun sg] | 299 |
|
| 3 | could [be] [verb] [to-vb] [prep] | 130 |
|
| 4 | could [be] [verb] [to-vb] [noun sg] | 95 |
|
| 5 | could [verb] [to-vb] [prep] [noun sg] | 20 |
|
