| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [adv] happen again | 60 |
|
| 2 | [that] [pron] [modal v] [adv] happen | 31 |
|
| 3 | [that] [pron] [modal v] [adv] again | 31 |
|
| 4 | [that] [pron] [modal v] happen again | 6 |
|
