| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] been [verb] [prep] | 1591 |
|
| 2 | [to-vb] been [vb pp] [prep] | 1535 |
|
| 3 | [verb] been invented [prep] | 25 |
|
| 4 | [to-vb] been invent [prep] | 7 |
|
| 5 | [to-vb] [been] invented [prep] | 7 |
|
| 6 | [to-vb] be invented [prep] | 7 |
|
| 7 | [to-vb] [be] invented [prep] | 7 |
|
