| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could do [pron] | 569 |
|
| 2 | [pers pn] could do [pron] | 537 |
|
| 3 | it could [verb] [pron] | 198 |
|
| 4 | it [modal v] do [pron] | 165 |
|
| 5 | it could do [pron] | 12 |
|
