| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [vb pp] [prep] [adj] years | 155 |
|
| 2 | [verb] [been] [vb pp] [prep] recent years | 80 |
|
| 3 | [vb -s] [been] [vb pp] [prep] recent [noun] | 67 |
|
| 4 | [vb -s] [been] [vb pp] [prep] recent [noun pl] | 61 |
|
| 5 | [vb -s] [been] [verb] [prep] recent years | 49 |
|
| 6 | [vb -s] [been] [vb pp] [prep] [adj] years | 49 |
|
| 7 | [vb -s] [be] [vb pp] [prep] recent years | 45 |
|
| 8 | [vb -s] [been] [vb pp] [prep] recent years | 45 |
|
| 9 | [vb -s] [been] [vb pp] [prep] recent year | 45 |
|
| 10 | [vb -s] [been] [vb pp] [prep] recent years | 45 |
|
