| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this have been [verb] on | 21 |
|
| 2 | this [verb] been [verb] on | 21 |
|
| 3 | this [verb] been going on | 13 |
|
| 4 | this [verb] been go on | 13 |
|
| 5 | this has been [verb] on | 13 |
|
| 6 | this [vb -s] been [verb] on | 13 |
|
| 7 | this [verb] been [v-ing] on | 13 |
|
| 8 | this [verb] been [vb pp] on | 8 |
|
| 9 | this [vb past] been [verb] on | 6 |
|
| 10 | this had been [verb] on | 5 |
|
