| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] been a [noun] | 797 |
|
| 2 | [verb] [adv] been a [noun sg] | 779 |
|
| 3 | [verb] [adv] been a feature | 19 |
|
| 4 | [verb] [adv] be a feature | 18 |
|
| 5 | [verb] [adv] [be] a feature | 18 |
|
| 6 | [verb] [adv] been a feature | 18 |
|
| 7 | [verb] [adv] [been] a feature | 18 |
|
| 8 | [verb] [adv] been [art] feature | 18 |
|
| 9 | [verb] [adv] been a feature | 18 |
|
| 10 | [verb] [adv] been [art] feature | 18 |
|
