| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [vb pp] for [adj] year | 169 |
|
| 2 | [verb] [been] [vb pp] for [num] year | 93 |
|
| 3 | [verb] [been] [verb] for two year | 27 |
|
| 4 | [verb] [been] [vb pp] for two [noun] | 27 |
|
| 5 | [verb] [been] [vb pp] [prep] two year | 22 |
|
| 6 | [verb] [been] [vb pp] [prep] two year | 22 |
|
| 7 | [verb] [be] [vb pp] for two year | 16 |
|
| 8 | [verb] [been] [vb pp] for two year | 15 |
|
| 9 | [verb] [been] [vb pp] for two year | 15 |
|
