| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] been going on | 120 |
|
| 2 | it [verb] been [verb] on | 44 |
|
| 3 | [pers pn] [verb] been going on | 42 |
|
| 4 | it [verb] been going [adv] | 37 |
|
| 5 | it [verb] been [v-ing] on | 33 |
|
| 6 | it [verb] been going [adv prt] | 31 |
|
| 7 | it [verb] been go on | 28 |
|
| 8 | it [verb] [be] going on | 27 |
|
| 9 | it [verb] be going on | 27 |
|
| 10 | it [verb] been going on | 27 |
|
| 11 | it [verb] been going on | 27 |
|
| 12 | it [verb] [been] going on | 27 |
|
