| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] | 1863 |
|
| 2 | could [not/n't] get | 1104 |
|
| 3 | [not/n't] get [adv] | 902 |
|
| 4 | could get [adv] | 217 |
|
