| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [verb] [pron] [prep] | 280 |
|
| 2 | i could [vb infin] [pron] [prep] | 280 |
|
| 3 | i [modal v] do [pron] [prep] | 180 |
|
| 4 | [pron] could do [pron] [prep] | 133 |
|
| 5 | i could do [pron] [prep] | 34 |
|
