| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] [v-ing] on [prep] | 5 |
|
| 2 | [vb mod] have [be] [v-ing] on [prep] | 5 |
|
| 3 | [vb mod] have been [v-ing] on [prep] | 5 |
|
| 4 | [vb mod] have be [v-ing] on [prep] | 5 |
|
| 5 | [vb mod] have [be] going on [prep] | 5 |
|
