| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen to be [prep] [art] | 91 |
|
| 2 | happen [prep] be [prep] [art] | 91 |
|
| 3 | happen to be [prep] [art] | 91 |
|
| 4 | happen [prep] be [prep] [art] | 91 |
|
| 5 | happen be [prep] [art] [noun] | 5 |
|
