| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be say [prep] | 160 |
|
| 2 | not be say [prep] | 108 |
|
| 3 | could not be say | 64 |
|
| 4 | could not be [prep] | 52 |
|
| 5 | could not say [prep] | 21 |
|
