| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [v-ing] on for some | 15 |
|
| 2 | have [been] [v-ing] on for some | 15 |
|
| 3 | have been [v-ing] on for some | 15 |
|
| 4 | have [be] going on for some | 13 |
|
| 5 | had [be] [v-ing] on for some | 7 |
|
| 6 | has [be] [v-ing] on for some | 5 |
|
