| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] in | 11178 |
|
| 2 | been [v-ing] in | 903 |
|
| 3 | [be] happening in | 450 |
|
| 4 | be happening in | 450 |
|
| 5 | been happening [prep] | 94 |
|
| 6 | been happening [prep] | 94 |
|
| 7 | been happen in | 36 |
|
| 8 | been happening in | 36 |
|
| 9 | [been] happening in | 36 |
|
