| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been of interest | 6 |
|
| 2 | [verb] been of interest | 6 |
|
| 3 | been of [adj] interest | 16 |
|
| 4 | been of [adj] interest | 13 |
|
| 5 | been of great interest | 5 |
|
| 6 | been of great interest | 5 |
|
