| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [be] [vb pp] [prep] [adj] | 598 |
|
| 2 | [vb mod] [not/n't] [be] [vb pp] [prep] [adj] | 598 |
|
| 3 | could [adv] [be] [vb pp] [prep] [adj] | 211 |
|
| 4 | could [not/n't] [be] [vb pp] [prep] [adj] | 166 |
|
| 5 | could [not/n't] [be] [verb] [prep] [adj] | 74 |
|
| 6 | could [not/n't] [be] [vb pp] [prep] [adj] | 74 |
|
| 7 | could [not/n't] [be] [vb pp] [prep] [adj] | 74 |
|
