| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have be working | 17 |
|
| 2 | it have [been] working | 17 |
|
| 3 | it have [be] working | 17 |
|
| 4 | it have been working | 17 |
|
| 5 | it has [be] working | 11 |
|
