| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [be] [verb] [prep] | 894 |
|
| 2 | could [be] [verb] [prep] [be] | 152 |
|
| 3 | not [be] [verb] [prep] [be] | 125 |
|
| 4 | could not [verb] [prep] [be] | 80 |
|
