| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been [verb] on [art] | 140 |
|
| 2 | [pron] had been [v-ing] on [art] | 51 |
|
| 3 | [pron] had been working [prep] [art] | 37 |
|
| 4 | [pron] [verb] been working on [art] | 34 |
|
| 5 | [pron] have been working on [art] | 34 |
|
| 6 | [pron] [vb past] been working on [art] | 16 |
|
| 7 | [pron] had been work on [art] | 13 |
|
| 8 | [pron] had be working on [art] | 12 |
|
| 9 | [pron] had [be] working on [art] | 12 |
|
| 10 | [pron] had [been] working on [art] | 12 |
|
