| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have go to [noun] | 14 |
|
| 2 | could have gone [prep] [noun] | 14 |
|
| 3 | could have go [prep] [noun] | 14 |
|
| 4 | could have go [prep] [noun prp] | 8 |
|
