| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | introduced [prep] the [num ord] | 65 |
|
| 2 | introduced [prep] the [num ord] | 65 |
|
| 3 | introduced in the [num ord] | 34 |
|
| 4 | introduced in the [num ord] | 34 |
|
| 5 | introduced [prep] the first | 24 |
|
| 6 | introduced for the [num ord] | 11 |
|
| 7 | introduced for the [num ord] | 11 |
|
| 8 | introduced [prep] the last | 10 |
|
| 9 | introduced [prep] the next | 9 |
|
| 10 | introduced [prep] the second | 6 |
|
