| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] has been [indef pn] [prep] a | 7 |
|
| 2 | [pron] has been something [prep] a | 6 |
|
| 3 | there has been [pron] [prep] a | 6 |
|
| 4 | [pron] has been [pron] of a | 6 |
|
| 5 | [ex0] has been [pron] [prep] a | 6 |
|
| 6 | [pron] has been something [prep] a | 6 |
|
| 7 | there has been [pron] [prep] a | 6 |
|
