| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] that | 63 |
|
| 2 | could not [vb infin] that | 63 |
|
| 3 | could not [verb] that | 63 |
|
| 4 | could not do that | 7 |
|
| 5 | could not do that | 7 |
|
