| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] in [adj] year | 105 |
|
| 2 | been [vb pp] in [adj] year | 105 |
|
| 3 | [been] [vb pp] in [adj] years | 100 |
|
| 4 | [been] [vb pp] in [adj] year | 88 |
|
| 5 | [been] [vb pp] in recent year | 82 |
|
| 6 | [been] [vb pp] in recent year | 82 |
|
| 7 | [been] [vb pp] in [num] year | 9 |
|
| 8 | [been] made in [adj] year | 9 |
|
| 9 | [been] developed in [adj] year | 7 |
|
| 10 | [been] used in [adj] year | 5 |
|
| 11 | [been] eroded in [adj] year | 5 |
|
| 12 | [been] [vb pp] in [adj] year | 5 |
|
| 13 | [been] [vb pp] in previous year | 5 |
|
| 14 | [been] [vb pp] in previous year | 5 |
|
