| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [be] [adj] | 17087 |
|
| 2 | could [verb] [prep] [adj] | 525 |
|
| 3 | could [verb] [prep] [be] | 269 |
|
| 4 | could [verb] [be] [adj] | 205 |
|
| 5 | could [prep] [be] [adj] | 7 |
|
