| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] it mean | 170 |
|
| 2 | what [vb past] it [verb] | 134 |
|
| 3 | what [vb past] it [vb infin] | 131 |
|
| 4 | what [vb past] [pron] mean | 99 |
|
| 5 | [Wh det] [vb past] it mean | 19 |
|
| 6 | what [vb past] it mean | 19 |
|
| 7 | what [vb past] it mean | 19 |
|
| 8 | [pron] [vb past] it mean | 19 |
|
