| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been going [adv] | 15 |
|
| 2 | [vb mod] have [been] going [adv] | 15 |
|
| 3 | [vb mod] have [been] going [adv prt] | 12 |
|
| 4 | [vb mod] have [been] going on | 8 |
|
| 5 | [vb mod] have [been] going on | 8 |
|
| 6 | must have [been] going [adv] | 5 |
|
