| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] the [noun prp] | 1255 |
|
| 2 | been [vb pp] [prep] the [noun prp] | 1175 |
|
| 3 | been introduced [prep] the [noun] | 74 |
|
| 4 | be introduced [prep] the [noun prp] | 55 |
|
| 5 | [be] introduced [prep] the [noun prp] | 55 |
|
| 6 | been introduced [prep] [art] [noun prp] | 18 |
|
| 7 | been introduced [prep] [art] [noun prp] | 18 |
|
| 8 | been introduced [prep] the [noun prp] | 17 |
|
| 9 | [been] introduced [prep] the [noun prp] | 17 |
|
| 10 | been introduce [prep] the [noun prp] | 17 |
|
