| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [adv] did | 1044 |
|
| 2 | [coord] [Wh adv] did | 492 |
|
| 3 | [coord] when [verb] | 179 |
|
| 4 | [coord] when do | 71 |
|
| 5 | [conj] when did | 45 |
|
| 6 | [coord] when [vb past] | 44 |
|
| 7 | [coord] when did | 38 |
|
