| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [pers pn] have been | 916 |
|
| 2 | [prep] [pron] [pers pn] have a | 191 |
|
| 3 | [prep] [pron] have been a | 85 |
|
| 4 | [pron] [pers pn] have been a | 37 |
|
| 5 | [prep] [pers pn] have been a | 31 |
|
