| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] for | 800 |
|
| 2 | could do [prep] | 775 |
|
| 3 | could do [prep] | 775 |
|
| 4 | [vb mod] do for | 343 |
|
| 5 | [modal v] do for | 343 |
|
| 6 | could do for | 60 |
|
| 7 | could do for | 60 |
|
