| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [verb] [adv] a | 20 |
|
| 2 | [vb base] [been] [verb] [adv] a | 18 |
|
| 3 | [vb base] [been] [v-ing] [adv] a | 14 |
|
| 4 | 've [been] [verb] [adv] a | 11 |
|
| 5 | [vb base] [been] [verb] quite a | 10 |
|
| 6 | have [been] [verb] [adv] a | 9 |
|
| 7 | [vb base] [been] [vb pp] [adv] a | 6 |
|
