| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work have been going on [prep] | 6 |
|
| 2 | work have been going [adv prt] [prep] | 6 |
|
| 3 | work have been going [adv] [prep] | 6 |
|
| 4 | work have been going on [prep] | 6 |
|
