No | Pattern | Freq | Relations |
---|---|---|---|
1 | have been [vb pp] for some time | 56 | |
2 | has been [vb pp] for some time | 25 | |
3 | had been [vb pp] for some time | 19 | |
4 | have been known for some time | 16 | |
5 | have been [vb pp] for some time | 9 | |
6 | have been recognised for some time | 6 |