| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be working on | 167 |
|
| 2 | have been working on | 167 |
|
| 3 | had be working on | 46 |
|
| 4 | have be working on | 38 |
|
| 5 | has be working on | 34 |
|
| 6 | 've be working on | 30 |
|
| 7 | have be working on | 7 |
|
| 8 | 'd be working on | 7 |
|
