| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [vb infin] [pron] [adj] | 112 |
|
| 2 | not [vb infin] [pron] at [adj] | 71 |
|
| 3 | could [vb infin] [pron] at [adj] | 29 |
|
| 4 | could not [vb infin] at [adj] | 17 |
|
| 5 | could not [vb infin] [pron] at | 14 |
|
