| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] it [prep] [art] | 85 |
|
| 2 | [modal v] [adv] do it [prep] [art] | 48 |
|
| 3 | could [adv] do [pron] [prep] [art] | 15 |
|
