| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [been] going on | 20 |
|
| 2 | which have been going [adv prt] | 20 |
|
| 3 | which have [been] going [adv prt] | 20 |
|
| 4 | which had [been] going [adv prt] | 9 |
|
| 5 | which has [been] going [adv prt] | 8 |
|
