| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] [adj] years | 107 |
|
| 2 | been [vb pp] [prep] [adj] years | 98 |
|
| 3 | been developed [prep] [adj] [noun] | 37 |
|
| 4 | been developed [prep] [adj] [noun pl] | 21 |
|
| 5 | been developed [prep] [adj] years | 10 |
|
| 6 | been develop [prep] [adj] years | 6 |
|
| 7 | been developed [prep] [adj] years | 6 |
|
| 8 | be developed [prep] [adj] years | 6 |
|
| 9 | [been] developed [prep] [adj] years | 6 |
|
| 10 | been developed [prep] [adj] year | 6 |
|
| 11 | [be] developed [prep] [adj] years | 6 |
|
