| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been going on for | 31 |
|
| 2 | [pers pn] [verb] been going on for | 20 |
|
| 3 | [pron] [vb -s] been going on for | 20 |
|
| 4 | it [verb] been going on for | 17 |
|
| 5 | it [verb] been going on for | 17 |
|
| 6 | [pron] 's been going on for | 12 |
|
| 7 | [Wh det] [verb] been going on for | 11 |
|
| 8 | which [verb] been going on for | 10 |
|
| 9 | which [verb] been going on for | 10 |
|
| 10 | [pron] has been going on for | 8 |
|
| 11 | [pron] [vb past] been going on for | 6 |
|
| 12 | [pron] had been going on for | 6 |
|
| 13 | [pron] [vb base] been going on for | 5 |
|
