| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] | 11478 |
|
| 2 | could [adv] [vb infin] | 11432 |
|
| 3 | [modal v] [adv] take | 1423 |
|
| 4 | could [adv] take | 467 |
|
| 5 | could [adv] take | 155 |
|
