| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] | 1863 |
|
| 2 | could [not/n't] take | 314 |
|
| 3 | [not/n't] [adv] take | 202 |
|
| 4 | could [adv] take | 153 |
|
