| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [vb pp] for two [noun pl] | 12 |
|
| 2 | [vb -s] been [vb pp] for two [noun] | 12 |
|
| 3 | has [been] [vb pp] for two [noun] | 10 |
|
| 4 | [vb -s] [been] [vb pp] for two years | 7 |
|
| 5 | [vb -s] [been] [vb pp] for two year | 7 |
|
