| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] see | 1033 |
|
| 2 | [not/n't] see [det] | 693 |
|
| 3 | could see [det] | 160 |
|
| 4 | could [not/n't] [det] | 35 |
|
