| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [adv] [conj] [art] | 37 |
|
| 2 | [modal v] [adv] [verb] out [conj] [art] | 23 |
|
| 3 | could [adv] [verb] [adv prt] [conj] [art] | 12 |
|
| 4 | could [adv] [verb] out [conj] [art] | 5 |
|
