| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] [det] [modal v] have happen | 7 |
|
| 2 | [that] [adj] [modal v] have happened | 7 |
|
| 3 | that [adj] [modal v] have happen | 7 |
|
| 4 | [that] [adj] [vb mod] have happen | 7 |
|
| 5 | [that] this [modal v] have happen | 6 |
|
| 6 | [that] this [modal v] have happen | 6 |
|
