| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] chance [prep] [v-ing] | 772 |
|
| 2 | a [adj] chance [prep] | 581 |
|
| 3 | a chance [prep] [v-ing] | 258 |
|
| 4 | a [adj] [prep] [v-ing] | 53 |
|
