| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for [adj] [noun] | 362 |
|
| 2 | [verb] been [verb] for [adj] years | 301 |
|
| 3 | have been [verb] for [adj] years | 301 |
|
| 4 | has been [verb] for [adj] [noun pl] | 238 |
|
| 5 | has been [verb] [prep] [adj] years | 208 |
|
| 6 | [vb -s] been [verb] for [adj] years | 144 |
|
| 7 | has been [verb] for [adj] year | 136 |
|
| 8 | has [been] [verb] for [adj] years | 135 |
|
| 9 | has be [verb] for [adj] years | 135 |
|
| 10 | has [be] [verb] for [adj] years | 135 |
|
