| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been going [adv] [prep] | 9 |
|
| 2 | [modal v] have been going [adv] [prep] | 9 |
|
| 3 | [vb mod] have been going [adv] [prep] | 9 |
|
| 4 | [modal v] have been going [adv prt] [prep] | 7 |
|
| 5 | [modal v] have been going on [prep] | 5 |
|
| 6 | [modal v] have been going on [prep] | 5 |
|
