| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] introduced [prep] the [adj] | 106 |
|
| 2 | was introduce [prep] the [adj] | 73 |
|
| 3 | [was/were] introduce [prep] the [adj] | 62 |
|
| 4 | [was/were] introduce in the [adj] | 43 |
|
| 5 | were introduce [prep] the [adj] | 35 |
|
| 6 | [was/were] introduce [prep] the [num ord] | 22 |
|
| 7 | [was/were] introduce by the [adj] | 21 |
|
| 8 | [was/were] introduce [prep] the [num] | 20 |
|
| 9 | [was/were] introduce to the [adj] | 12 |
|
| 10 | [was/were] introduce into the [adj] | 9 |
|
| 11 | [was/were] introduce [prep] the first | 8 |
|
| 12 | [was/were] introduce [prep] the early | 8 |
|
| 13 | [was/were] introduce [prep] the early | 8 |
|
| 14 | [was/were] introduce [prep] the first | 8 |
|
| 15 | [was/were] introduce for the [adj] | 7 |
|
