| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] on [prep] a [adj] | 99 |
|
| 2 | [v-ing] [prep] a [adj] time | 98 |
|
| 3 | on [prep] a [adj] time | 45 |
|
| 4 | [v-ing] on [prep] [adj] time | 17 |
|
