| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been going on for | 17 |
|
| 2 | it have been going on for | 17 |
|
| 3 | it [vb -s] been going on for | 14 |
|
| 4 | it 's been [verb] on for | 14 |
|
| 5 | it 's been going on [prep] | 13 |
|
| 6 | it 's been going on [prep] | 13 |
|
| 7 | it 's been [v-ing] on for | 13 |
|
| 8 | [pron] 's been going on for | 12 |
|
| 9 | it 's been go on for | 12 |
|
| 10 | it 's be going on for | 11 |
|
| 11 | it 's been going [adv] for | 11 |
|
| 12 | it 's [be] going on for | 11 |
|
| 13 | it 's been going on for | 11 |
|
| 14 | [pers pn] 's been going on for | 11 |
|
| 15 | it 's [been] going on for | 11 |
|
| 16 | it 's been going on for | 11 |
|
