| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [verb] on for | 44 |
|
| 2 | has [been] [verb] on for | 44 |
|
| 3 | has been [verb] on for | 44 |
|
| 4 | has [be] [v-ing] on for | 41 |
|
| 5 | has [be] going on for | 37 |
|
| 6 | has [be] go on for | 37 |
|
