| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] [pers pn] | 1911 |
|
| 2 | been [v-ing] [prep] [pers pn] | 613 |
|
| 3 | [be] happening [prep] [pers pn] | 221 |
|
| 4 | be happening [prep] [pers pn] | 221 |
|
| 5 | been happening [prep] [pron] | 15 |
|
| 6 | [been] happening [prep] [pers pn] | 14 |
|
| 7 | been happen [prep] [pers pn] | 14 |
|
