| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [adv] for [det] [noun] | 16 |
|
| 2 | has been [adv] for [adj] years | 15 |
|
| 3 | have been [adv] for [det] years | 13 |
|
| 4 | [verb] been [adv] for [det] years | 13 |
|
| 5 | has been [adv] for [det] [noun pl] | 9 |
|
| 6 | has [be] [adv] for [det] years | 5 |
|
| 7 | has been [adv] [prep] [det] years | 5 |
|
| 8 | [vb -s] been [adv] for [det] years | 5 |
|
| 9 | has been [adv] for [det] year | 5 |
|
| 10 | has [been] [adv] for [det] years | 5 |
|
| 11 | has be [adv] for [det] years | 5 |
|
