| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been going on for [art] | 13 |
|
| 2 | [verb] been [verb] on for a | 12 |
|
| 3 | [verb] been [v-ing] on for a | 10 |
|
| 4 | [verb] been going [adv] for a | 10 |
|
| 5 | [verb] been going on [prep] a | 10 |
|
| 6 | [verb] been going on [prep] a | 10 |
|
| 7 | [verb] been going on for a | 8 |
|
| 8 | [verb] been go on for a | 8 |
|
| 9 | [verb] be going on for a | 8 |
|
| 10 | [verb] [been] going on for a | 8 |
|
| 11 | [verb] [be] going on for a | 8 |
|
