| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] a [adj -er] | 302 |
|
| 2 | opportunity [to-vb] [prep] a | 66 |
|
| 3 | opportunity [to-vb] a [adj -er] | 11 |
|
| 4 | opportunity [prep] a [adj -er] | 7 |
|
