| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [det] [noun pl] | 2234 |
|
| 2 | when [v-ing] [prep] [noun pl] | 157 |
|
| 3 | when [v-ing] [prep] [det] | 64 |
|
| 4 | when [v-ing] [det] [noun pl] | 45 |
|
| 5 | when [prep] [det] [noun pl] | 8 |
|
