| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [adv] [prep] [art] | 218 |
|
| 2 | [modal v] [adv] [verb] out [prep] [art] | 150 |
|
| 3 | could [adv] [verb] [adv prt] [prep] [art] | 140 |
|
| 4 | could [adv] [verb] out [prep] [art] | 30 |
|
