| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] last [noun] | 51 |
|
| 2 | what [vb past] last [noun] | 51 |
|
| 3 | what happened last [noun] | 50 |
|
| 4 | what [vb past] last [noun sg] | 47 |
|
| 5 | what [vb past] last night | 25 |
|
| 6 | what [vb past] last night | 25 |
|
| 7 | what [vb past] last year | 7 |
|
| 8 | what [vb past] last year | 7 |
|
| 9 | what [vb past] last time | 6 |
|
| 10 | what [vb past] last time | 6 |
|
