| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] could [vb infin] | 416 |
|
| 2 | [pron] i could [vb infin] | 352 |
|
| 3 | [prep] [pron] i could | 144 |
|
| 4 | [prep] i could [vb infin] | 16 |
|
