| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] just happen | 16 |
|
| 2 | not just happen | 16 |
|
| 3 | [not/n't] just happen | 16 |
|
| 4 | n't just happen | 13 |
|
| 5 | [vb mod] just happen | 12 |
|
| 6 | [modal v] just happen | 12 |
|
| 7 | just happen [verb] | 7 |
|
| 8 | just happen [prep] | 7 |
|
| 9 | just happen [to-vb] | 7 |
|
| 10 | just happen [prep] | 7 |
|
