| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been going on for [noun pl] | 23 |
|
| 2 | [verb] been going on for [noun pl] | 23 |
|
| 3 | [vb -s] been going on for [noun pl] | 15 |
|
| 4 | has been going on for [noun pl] | 10 |
|
| 5 | [vb past] been going on for [noun pl] | 6 |
|
| 6 | had been going on for [noun pl] | 6 |
|
| 7 | 's been going on for [noun pl] | 5 |
|
| 8 | been going on for [adj] [noun pl] | 17 |
|
| 9 | been going on for [num] [noun pl] | 10 |
|
| 10 | been going on for [det] [noun pl] | 7 |
|
| 11 | been going on for some [noun pl] | 5 |
|
| 12 | been going on for some [noun pl] | 5 |
|
