| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] when [verb] [prep] | 437 |
|
| 2 | [vb past] when [verb] [prep] | 61 |
|
| 3 | do when [verb] [prep] | 22 |
|
| 4 | did [conj] [verb] [prep] | 19 |
|
| 5 | did [subord] [verb] [prep] | 6 |
|
| 6 | did when [verb] [prep] | 5 |
|
