| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] were opportunity for | 6 |
|
| 2 | [ex0] were opportunity [prep] | 6 |
|
| 3 | [ex0] were opportunities [prep] | 6 |
|
| 4 | [ex0] were opportunity for | 6 |
|
| 5 | there were opportunity [prep] | 6 |
|
