| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun pl] have been a [adj] | 19 |
|
| 2 | [noun sg] [noun pl] have [been] a [adj] | 15 |
|
| 3 | [noun] [noun pl] has [been] a [adj] | 12 |
|
