| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen [prep] be | 565 |
|
| 2 | [noun sg] [pron] happen [prep] | 147 |
|
| 3 | [noun sg] happen [prep] be | 129 |
|
| 4 | [noun sg] [pron] [prep] be | 34 |
|
