| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [to-vb] ahead [prep] a [noun] | 5 |
|
| 2 | [to-vb] ahead [prep] a [adj] [noun] | 16 |
|
| 3 | [to-vb] ahead [prep] a [adj] [noun] | 15 |
|
