| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] have been [verb] on | 155 |
|
| 2 | [noun prp] have been working [prep] | 77 |
|
| 3 | [noun prp] have been [v-ing] on | 54 |
|
| 4 | [noun] have been working on | 52 |
|
| 5 | [noun prp] have been work on | 20 |
|
| 6 | [noun prp] [verb] been working on | 20 |
|
| 7 | [noun prp] have [be] working on | 20 |
|
| 8 | [noun prp] have be working on | 20 |
|
| 9 | [noun prp] have [been] working on | 20 |
|
