| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] on at the [noun sg] | 50 |
|
| 2 | [be] [v-ing] on at the [noun sg] | 40 |
|
| 3 | [be] working [adv] at the [noun sg] | 15 |
|
| 4 | [be] working on [prep] the [noun sg] | 10 |
|
| 5 | [be] working on [prep] the [noun sg] | 10 |
|
| 6 | [be] working on at the [noun] | 9 |
|
| 7 | [be] work on at the [noun sg] | 8 |
|
| 8 | [be] working on at [art] [noun sg] | 8 |
|
| 9 | [be] working on at the [noun sg] | 8 |
|
| 10 | [be] working on at [art] [noun sg] | 8 |
|
| 11 | [be] working on at the [noun sg] | 8 |
|
