| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] [art] | 21524 |
|
| 2 | have been [v-ing] [prep] [art] | 1987 |
|
| 3 | have been happening [prep] [art] | 41 |
|
| 4 | have [been] happening [prep] [art] | 41 |
|
| 5 | have [be] happening [prep] [art] | 41 |
|
| 6 | have been happen [prep] [art] | 41 |
|
| 7 | have been happening [prep] [art] | 41 |
|
| 8 | [verb] been happening [prep] [art] | 41 |
|
| 9 | have be happening [prep] [art] | 41 |
|
