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