| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [adj] time | 12 |
|
| 2 | what happened [adj] time | 11 |
|
| 3 | what [vb past] last time | 6 |
|
| 4 | what [vb past] [num ord] time | 6 |
|
| 5 | what [vb past] last time | 6 |
|
| 6 | what [vb past] [det] time | 5 |
|
