| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when did [pers pn] [vb infin] [det] | 33 |
|
| 2 | when did [pers pn] [vb infin] that | 22 |
|
| 3 | when did you [vb infin] [det] | 21 |
|
| 4 | when did [pers pn] get [det] | 7 |
|
