| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [prep] recent year | 87 |
|
| 2 | [been] [vb pp] [prep] recent year | 87 |
|
| 3 | been [vb pp] [prep] recent year | 87 |
|
| 4 | [been] [vb pp] [prep] recent years | 87 |
|
| 5 | [been] [vb pp] in recent year | 82 |
|
| 6 | [been] [vb pp] in recent year | 82 |
|
| 7 | [been] made [prep] recent year | 6 |
|
| 8 | [been] developed [prep] recent year | 6 |
|
| 9 | [been] [vb pp] over recent year | 5 |
|
| 10 | [been] [vb pp] over recent year | 5 |
|
| 11 | [been] eroded [prep] recent year | 5 |
|
