| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [conj] could not [be] [vb pp] | 10 |
|
| 2 | could [conj] could not be [verb] | 10 |
|
| 3 | could [coord] could not [be] [verb] | 10 |
|
| 4 | could [conj] could not [be] [verb] | 10 |
|
| 5 | could [conj] could not be [verb] | 10 |
|
| 6 | could [conj] could not [be] [verb] | 10 |
|
| 7 | could and could not [be] [verb] | 5 |
|
| 8 | could or could not [be] [verb] | 5 |
|
| 9 | could or could not [be] [verb] | 5 |
|
| 10 | could and could not [be] [verb] | 5 |
|
