| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [be] [adj] [prep] [adj] | 330 |
|
| 2 | could [adv] [be] [adj] [prep] [adj] | 39 |
|
| 3 | could [adv] [be] [adj] [prep] [adj] | 20 |
|
