| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [vb infin] [pers pn] at | 35 |
|
| 2 | could [not/n't] [vb infin] it at | 28 |
|
| 3 | could not [vb infin] [pers pn] at | 12 |
|
| 4 | could [not/n't] see [pers pn] at | 8 |
|
| 5 | could [not/n't] [vb infin] them at | 7 |
|
| 6 | could [not/n't] [vb infin] him at | 7 |
|
| 7 | could [not/n't] understand [pers pn] at | 5 |
|
