| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] it mean | 171 |
|
| 2 | what [vb past] it [verb] | 134 |
|
| 3 | what [vb past] [pron] mean | 104 |
|
| 4 | [pron] [vb past] it mean | 43 |
|
| 5 | [Wh det] [vb past] it mean | 19 |
|
| 6 | what [vb past] it mean | 19 |
|
