| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] on [prep] the time | 12 |
|
| 2 | [v-ing] on at the time | 11 |
|
| 3 | [v-ing] on at the time | 11 |
|
| 4 | going on [prep] the time | 10 |
|
