| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have go on for | 38 |
|
| 2 | have go on for | 38 |
|
| 3 | have gone on for | 35 |
|
| 4 | has go on for | 13 |
|
| 5 | had go on for | 11 |
|
| 6 | have go on for | 9 |
|
