| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [vb pp] for [adj] years | 78 |
|
| 2 | has [been] [vb pp] for some [noun] | 37 |
|
| 3 | has [been] [vb pp] for [det] years | 31 |
|
| 4 | [verb] [been] [vb pp] for some years | 15 |
|
| 5 | have [been] [vb pp] for some years | 15 |
|
| 6 | has [been] [vb pp] for some [noun pl] | 9 |
|
| 7 | [vb -s] [been] [vb pp] for some years | 8 |
|
| 8 | has [been] [verb] for some years | 8 |
|
| 9 | has [been] [vb pp] [prep] some years | 6 |
|
| 10 | has [be] [vb pp] for some years | 6 |
|
| 11 | has [been] [vb pp] for some year | 6 |
|
| 12 | has [been] [vb pp] for some years | 6 |
|
| 13 | has [been] [vb pp] for some years | 6 |
|
| 14 | has [been] [vb pp] [prep] some years | 6 |
|
