| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [adv] happen | 345 |
|
| 2 | [pron] [modal v] [adv] again | 110 |
|
| 3 | [modal v] [adv] happen again | 94 |
|
| 4 | [pron] [modal v] happen again | 32 |
|
| 5 | [pron] [adv] happen again | 6 |
|
