| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] for a | 284 |
|
| 2 | when [v-ing] [prep] a | 198 |
|
| 3 | when [v-ing] [prep] a | 198 |
|
| 4 | [subord] [v-ing] for a | 125 |
|
| 5 | when [v-ing] for [art] | 67 |
|
| 6 | when [v-ing] for [art] | 67 |
|
| 7 | when [verb] for a | 50 |
|
| 8 | when [v-ing] for a | 48 |
|
| 9 | when [v-ing] for a | 44 |
|
| 10 | when [v-ing] for a | 44 |
|
