| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [verb] | 3466 |
|
| 2 | they have been [v-ing] | 907 |
|
| 3 | [pron] have been working | 497 |
|
| 4 | they have been work | 35 |
|
| 5 | they [verb] been working | 34 |
|
| 6 | they have [be] working | 34 |
|
| 7 | they have [been] working | 34 |
|
| 8 | they have be working | 34 |
|
