| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [adv prt] [prep] | 663 |
|
| 2 | which have been [vb pp] [prep] | 586 |
|
| 3 | which have been [vb pp] [adv prt] | 55 |
|
| 4 | which have [vb pp] [adv prt] [prep] | 31 |
|
