| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [verb] been [verb] [prep] [det] | 488 |
|
| 2 | [noun pl] [verb] been [vb pp] [prep] [det] | 459 |
|
| 3 | [noun pl] [verb] been introduced [prep] [adj] | 14 |
|
| 4 | [noun] [verb] been introduced [prep] [det] | 7 |
|
| 5 | [noun pl] [verb] [been] introduced [prep] [det] | 5 |
|
| 6 | [noun pl] [verb] been introduce [prep] [det] | 5 |
|
| 7 | [noun pl] [verb] [be] introduced [prep] [det] | 5 |
|
| 8 | [noun pl] [verb] be introduced [prep] [det] | 5 |
|
| 9 | [noun pl] [verb] been introduced [prep] [det] | 5 |
|
