| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been going on [prep] | 165 |
|
| 2 | [verb] been going on [prep] | 165 |
|
| 3 | has been [verb] on [prep] | 128 |
|
| 4 | [vb -s] been going on [prep] | 94 |
|
| 5 | has been [v-ing] on [prep] | 79 |
|
| 6 | has been going [adv] [prep] | 73 |
|
| 7 | has [be] going on [prep] | 68 |
|
| 8 | has been go on [prep] | 68 |
|
| 9 | has be going on [prep] | 68 |
|
| 10 | has [been] going on [prep] | 68 |
|
