| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [be] [verb] to | 237 |
|
| 2 | could not [adv] [be] [verb] | 194 |
|
| 3 | not [adv] [be] [verb] to | 117 |
|
| 4 | could not [be] [verb] to | 90 |
|
| 5 | could not [adv] [verb] to | 37 |
|
