| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] have been [verb] [prep] | 2711 |
|
| 2 | [conj] have been [v-ing] [prep] | 190 |
|
| 3 | [conj] have [been] happening [prep] | 9 |
|
| 4 | [conj] have be happening [prep] | 9 |
|
| 5 | [conj] [verb] been happening [prep] | 9 |
|
| 6 | [conj] have [be] happening [prep] | 9 |
|
| 7 | [conj] have been happen [prep] | 9 |
|
