| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [v-ing] on | 138 |
|
| 2 | when [vb pp] on | 99 |
|
| 3 | when work on | 28 |
|
| 4 | when working on | 27 |
|
| 5 | when deciding on | 18 |
|
| 6 | when decide on | 18 |
|
| 7 | when use on | 7 |
|
| 8 | when used on | 7 |
|
| 9 | when feed on | 6 |
|
| 10 | when embark on | 6 |
|
| 11 | when pressed on | 6 |
|
| 12 | when press on | 6 |
|
| 13 | when embarking on | 6 |
|
| 14 | when running on | 5 |
|
| 15 | when go on | 5 |
|
| 16 | when feeding on | 5 |
|
| 17 | when run on | 5 |
|
