| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] a [noun] | 8048 |
|
| 2 | ahead [prep] a [noun] | 103 |
|
| 3 | [to-vb] ahead [prep] [noun] | 76 |
|
| 4 | [to-vb] ahead [prep] a | 32 |
|
