| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could have do [prep] a | 7 |
|
| 2 | i [vb mod] have do [prep] a | 7 |
|
| 3 | i could have do [prep] a | 7 |
|
| 4 | i [modal v] have do [prep] a | 7 |
|
| 5 | i have do [prep] a [noun sg] | 5 |
|
| 6 | i have do [prep] a [noun] | 5 |
|
