| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] recent years [prep] | 35 |
|
| 2 | been [vb pp] [prep] [adj] years by | 21 |
|
| 3 | been [vb pp] [prep] recent [noun pl] by | 17 |
|
| 4 | been [vb pp] [prep] recent [noun] by | 17 |
|
| 5 | been [vb pp] [prep] [adj] years by | 14 |
|
| 6 | been [vb pp] [prep] recent years by | 14 |
|
| 7 | [be] [vb pp] [prep] recent years by | 14 |
|
| 8 | [been] [vb pp] [prep] recent years by | 14 |
|
| 9 | been [vb pp] [prep] recent year by | 14 |
|
| 10 | been [verb] [prep] recent years by | 14 |
|
| 11 | be [vb pp] [prep] recent years by | 14 |
|
