| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years it has [be] | 21 |
|
| 2 | [prep] [adj] years it [vb -s] be | 21 |
|
| 3 | [prep] [adj] years it [vb -s] [be] | 21 |
|
| 4 | [prep] [adj] years it [vb -s] [been] | 21 |
|
| 5 | [prep] [adj] years it [vb -s] been | 21 |
|
| 6 | [prep] [adj] years it [vb -s] [be] | 16 |
|
| 7 | [prep] recent years it [vb -s] [be] | 15 |
|
| 8 | [prep] recent years it [vb -s] [be] | 15 |
|
| 9 | in [adj] years it [vb -s] [be] | 15 |
|
| 10 | in [adj] years it [vb -s] [be] | 15 |
|
| 11 | for [adj] years it [vb -s] [be] | 5 |
|
| 12 | for [adj] years it [vb -s] [be] | 5 |
|
