| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that could not be | 103 |
|
| 2 | [indef pn] that could be | 70 |
|
| 3 | [indef pn] that could not | 17 |
|
| 4 | [indef pn] could not be | 5 |
|
