| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [verb] [prep] a | 1955 |
|
| 2 | [vb -s] [been] [vb pp] [prep] a | 1823 |
|
| 3 | [vb -s] [been] developed [prep] [art] | 72 |
|
| 4 | [vb -s] [been] developed [prep] [art] | 72 |
|
| 5 | [verb] [been] developed [prep] a | 44 |
|
| 6 | [vb -s] [been] developed [prep] a | 27 |
|
| 7 | [vb -s] [been] developed [prep] a | 22 |
|
| 8 | [vb -s] [been] develop [prep] a | 22 |
|
| 9 | [vb -s] [be] developed [prep] a | 22 |
|
