| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been clear for [det] time | 5 |
|
| 2 | [verb] been clear for some time | 5 |
|
| 3 | have been clear for [adj] time | 5 |
|
| 4 | [verb] been clear for some time | 5 |
|
| 5 | [verb] been clear for [adj] time | 5 |
|
