| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's been [verb] in | 111 |
|
| 2 | 's been [v-ing] in | 40 |
|
| 3 | [verb] been happening in | 35 |
|
| 4 | have been happening in | 35 |
|
| 5 | 's been happening [prep] | 27 |
|
| 6 | [vb -s] been happening in | 27 |
|
| 7 | 's [been] happening in | 11 |
|
| 8 | 's been happen in | 11 |
|
| 9 | 's [be] happening in | 11 |
|
| 10 | 's be happening in | 11 |
|
