| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been going on for [det] [noun sg] | 9 |
|
| 2 | been going on for some [noun sg] | 9 |
|
| 3 | been going on for some [noun sg] | 9 |
|
| 4 | been going on for [adj] time | 9 |
|
