| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been going on for | 90 |
|
| 2 | has been going [adv prt] for | 37 |
|
| 3 | had been going [adv prt] for | 24 |
|
| 4 | 's been going [adv prt] for | 16 |
|
| 5 | have been going [adv prt] for | 13 |
|
