| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] could not [be] [verb] | 178 |
|
| 2 | [coord] could not [be] [verb] | 107 |
|
| 3 | but [modal v] not [be] [verb] | 79 |
|
| 4 | but [vb mod] not [be] [verb] | 79 |
|
| 5 | but could [adv] [be] [verb] | 27 |
|
| 6 | but could not [be] [verb] | 15 |
|
| 7 | but could [not/n't] [be] [verb] | 15 |
|
| 8 | but could not [be] [verb] | 11 |
|
| 9 | but could not [be] [verb] | 11 |
|
| 10 | but could not [be] [verb] | 11 |
|
