| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been going [adv] for | 25 |
|
| 2 | had [been] going [adv prt] for | 24 |
|
| 3 | had [been] going on for | 23 |
|
| 4 | had [been] going on for | 23 |
|
