| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [not/n't] [vb infin] at | 33 |
|
| 2 | i could n't [vb infin] at | 25 |
|
| 3 | i could [not/n't] look at | 14 |
|
| 4 | i could not [vb infin] at | 8 |
|
