| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] has been going [adv prt] for | 5 |
|
| 2 | which has been going [adv] for | 5 |
|
| 3 | [Wh det] has been going on for | 5 |
|
| 4 | [Wh det] has been going on for | 5 |
|
