| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] on at the | 75 |
|
| 2 | be [verb] on at the | 75 |
|
| 3 | [be] [v-ing] on at the | 51 |
|
| 4 | [be] go on at the | 38 |
|
| 5 | [be] going on at the | 38 |
|
| 6 | [is] [verb] on at the | 27 |
|
| 7 | [be] [vb pp] on at the | 24 |
|
| 8 | [was/were] [verb] on at the | 17 |
|
| 9 | 's [verb] on at the | 15 |
|
| 10 | was [verb] on at the | 14 |
|
| 11 | [be] work on at the | 13 |
|
| 12 | is [verb] on at the | 12 |
|
| 13 | [am/are] [verb] on at the | 11 |
|
| 14 | [be] working on at the | 10 |
|
| 15 | [be] [verb] on at the | 10 |
|
| 16 | be [verb] on at the | 10 |
|
| 17 | 're [verb] on at the | 8 |
|
| 18 | been [verb] on at the | 7 |
|
| 19 | [been] [verb] on at the | 7 |
|
