| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] in the [num ord] | 471 |
|
| 2 | [was/were] introduce in the [adj] | 43 |
|
| 3 | [was/were] introduce [prep] the [num ord] | 22 |
|
| 4 | [was/were] introduce [prep] the [num ord] | 22 |
|
| 5 | [be] introduce in the [num ord] | 18 |
|
| 6 | [was/were] introduce in the [num ord] | 12 |
|
| 7 | [was/were] introduce in the [num ord] | 12 |
|
| 8 | [was/were] introduce in [art] [num ord] | 12 |
|
| 9 | [was/were] introduce in [art] [num ord] | 12 |
|
