| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [prep] a long | 6 |
|
| 2 | it have [been] [prep] a long | 6 |
|
| 3 | it have [been] [prep] a long | 6 |
|
| 4 | it have [been] for a long | 5 |
|
