| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] for [adj] years | 78 |
|
| 2 | has been [vb pp] for [num] years | 47 |
|
| 3 | has been [vb pp] for three [noun pl] | 20 |
|
| 4 | has been [vb pp] for three [noun] | 20 |
|
| 5 | has been [verb] for three years | 16 |
|
| 6 | have been [vb pp] for three years | 14 |
|
| 7 | [verb] been [vb pp] for three years | 14 |
|
| 8 | has been [vb pp] [prep] three years | 11 |
|
| 9 | has been [vb pp] [prep] three years | 11 |
|
| 10 | has been [vb pp] for three year | 9 |
|
| 11 | has been [vb pp] for three years | 9 |
|
| 12 | [vb -s] been [vb pp] for three years | 9 |
|
| 13 | has been [vb pp] for three years | 9 |
|
| 14 | has be [vb pp] for three years | 9 |
|
| 15 | has [been] [vb pp] for three years | 9 |
|
| 16 | has [be] [vb pp] for three years | 9 |
|
