| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could do [was/were] [verb] | 15 |
|
| 2 | i could do [was/were] [verb] | 15 |
|
| 3 | i could do was [verb] | 15 |
|
| 4 | i could do [was/were] [vb infin] | 10 |
|
