| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [adv] | 3631 |
|
| 2 | could [vb infin] [adv] | 3625 |
|
| 3 | [modal v] take [adv] | 591 |
|
| 4 | could take [adv] | 172 |
|
| 5 | could take [adv] | 45 |
|
