| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have long [been] the subject [prep] | 7 |
|
| 2 | [verb] long [been] the subject [prep] | 7 |
|
| 3 | [vb -s] long [been] the subject [prep] | 5 |
|
| 4 | has long [been] the subject [prep] | 5 |
|
| 5 | long [been] the subject [prep] [noun] | 5 |
|
