| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] be [verb] [prep] | 894 |
|
| 2 | [modal v] [not/n't] be attribute [prep] | 37 |
|
| 3 | [vb mod] [not/n't] be attribute [prep] | 37 |
|
| 4 | could [adv] be attribute [prep] | 14 |
|
| 5 | could [not/n't] be attribute [prep] | 7 |
|
| 6 | could [not/n't] be attribute [prep] | 7 |
|
| 7 | could [not/n't] [be] attribute [prep] | 7 |
|
| 8 | could [not/n't] be attribute [prep] | 7 |
|
| 9 | could [not/n't] [be] attribute [prep] | 7 |
|
