| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it [modal v] mean [subord] | 5 |
|
| 2 | what it [modal v] mean [subord] | 5 |
|
| 3 | what it [modal v] mean [subord] | 5 |
|
| 4 | [pron] it [modal v] mean [subord] | 5 |
|
