| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] the [num ord] [noun sg] | 740 |
|
| 2 | be introduced [prep] the [noun sg] | 308 |
|
| 3 | introduced [prep] the [num ord] [noun sg] | 48 |
|
| 4 | be introduced [prep] the [num ord] | 35 |
|
