| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been going on for | 34 |
|
| 2 | [noun sg] have been going [adv prt] for | 21 |
|
| 3 | [noun] had been going [adv prt] for | 17 |
|
| 4 | [noun] has been going [adv prt] for | 14 |
|
| 5 | [noun pl] have been going [adv prt] for | 11 |
|
| 6 | [noun] have been going [adv prt] for | 7 |
|
| 7 | [noun prp] have been going [adv prt] for | 7 |
|
