| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could do [was/were] [verb] | 71 |
|
| 2 | i do [was/were] [verb] | 40 |
|
| 3 | i could do [was/were] | 37 |
|
| 4 | i could do [verb] | 18 |
|
