| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [verb] at [noun] | 170 |
|
| 2 | [pron] is happen [prep] [noun] | 78 |
|
| 3 | [pron] [be] happen at [noun] | 22 |
|
| 4 | [pron] be happen at [noun] | 22 |
|
| 5 | [pron] [is] happen at [noun] | 18 |
|
