| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been going since | 5 |
|
| 2 | [pers pn] have been going since | 5 |
|
| 3 | have been going [adv] since | 18 |
|
| 4 | have been going [adv prt] since | 15 |
|
| 5 | have been going on since | 15 |
|
| 6 | have been going on since | 15 |
|
