| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] going on | 264 |
|
| 2 | [vb base] [been] [verb] on | 145 |
|
| 3 | [vb base] [been] going [adv] | 81 |
|
| 4 | [vb base] [been] [v-ing] on | 75 |
|
| 5 | [vb base] [be] going on | 31 |
|
| 6 | [vb base] [been] go on | 28 |
|
