| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could [adv] go ahead | 11 |
|
| 2 | [noun sg] could [adv] go ahead | 10 |
|
| 3 | could [adv] go ahead [prep] | 6 |
|
| 4 | could [adv] go ahead [prep] | 6 |
|
