| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have [been] [art] [adj] feature | 11 |
|
| 2 | [noun sg] have been [art] [adj] feature | 11 |
|
| 3 | [noun sg] have [been] a [adj] feature | 10 |
|
| 4 | [noun sg] have [been] a [adj] feature | 9 |
|
| 5 | [noun sg] has [been] [art] [adj] feature | 8 |
|
