| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] [prep] [pron] last | 8 |
|
| 2 | what [verb] [prep] [pron] last | 8 |
|
| 3 | what [vb past] [prep] [pron] last | 8 |
|
| 4 | what happen [prep] [pron] last | 7 |
|
| 5 | what happened [prep] [pron] last | 7 |
|
