| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] out | 793 |
|
| 2 | could [vb infin] out | 792 |
|
| 3 | [modal v] work out | 305 |
|
| 4 | could work [adv] | 107 |
|
| 5 | could work [adv prt] | 47 |
|
| 6 | could work out | 38 |
|
| 7 | could work out | 38 |
|
