| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] have [verb] | 233 |
|
| 2 | [pron] [modal v] have become | 129 |
|
| 3 | [Wh det] [modal v] have become | 13 |
|
| 4 | what [modal v] [verb] become | 6 |
|
| 5 | what [modal v] have become | 6 |
|
