| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] for [adj] [noun] | 270 |
|
| 2 | has been [vb pp] for [adj] [noun pl] | 164 |
|
| 3 | have been [vb pp] for [adj] years | 162 |
|
| 4 | [verb] been [vb pp] for [adj] years | 162 |
|
| 5 | has been [vb pp] [prep] [adj] years | 147 |
|
| 6 | has been [verb] for [adj] years | 135 |
|
| 7 | [vb -s] been [vb pp] for [adj] years | 84 |
|
| 8 | has been [vb pp] for [adj] year | 79 |
|
| 9 | has be [vb pp] for [adj] years | 78 |
|
| 10 | has [be] [vb pp] for [adj] years | 78 |
|
| 11 | has [been] [vb pp] for [adj] years | 78 |
|
